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142453400 = 23525389151
BaseRepresentation
bin10000111110110…
…10101010011000
3100221001101022212
420133122222120
5242432002100
622045134252
73346556015
oct1037325230
9327041285
10142453400
1173458391
123b85a388
1323688c6b
1414cc270c
15c78d635
hex87daa98

142453400 has 96 divisors (see below), whose sum is σ = 343504800. Its totient is φ = 54912000.

The previous prime is 142453397. The next prime is 142453417. The reversal of 142453400 is 4354241.

142453400 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 943325 + ... + 943475.

It is an arithmetic number, because the mean of its divisors is an integer number (3578175).

Almost surely, 2142453400 is an apocalyptic number.

142453400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142453400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171752400).

142453400 is an abundant number, since it is smaller than the sum of its proper divisors (201051400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142453400 is a wasteful number, since it uses less digits than its factorization.

142453400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 142453400 is about 11935.3843675015. The cubic root of 142453400 is about 522.2650210551.

The spelling of 142453400 in words is "one hundred forty-two million, four hundred fifty-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 53 89 100 106 151 178 200 212 265 302 356 424 445 530 604 712 755 890 1060 1208 1325 1510 1780 2120 2225 2650 3020 3560 3775 4450 4717 5300 6040 7550 8003 8900 9434 10600 13439 15100 16006 17800 18868 23585 26878 30200 32012 37736 40015 47170 53756 64024 67195 80030 94340 107512 117925 134390 160060 188680 200075 235850 268780 320120 335975 400150 471700 537560 671950 712267 800300 943400 1343900 1424534 1600600 2687800 2849068 3561335 5698136 7122670 14245340 17806675 28490680 35613350 71226700 142453400