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145049016 = 23372123341
BaseRepresentation
bin10001010010101…
…00010110111000
3101002221020211210
420221110112320
5244113032031
622220523120
73410616300
oct1051242670
9332836753
10145049016
1174970522
12406b04a0
1324087528
141539a600
15cb02746
hex8a545b8

145049016 has 48 divisors (see below), whose sum is σ = 421829640. Its totient is φ = 41442240.

The previous prime is 145049011. The next prime is 145049027. The reversal of 145049016 is 610940541.

It is a happy number.

145049016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145049011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60495 + ... + 62846.

Almost surely, 2145049016 is an apocalyptic number.

It is an amenable number.

145049016 is an abundant number, since it is smaller than the sum of its proper divisors (276780624).

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

145049016 is a wasteful number, since it uses less digits than its factorization.

145049016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123364 (or 123353 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 145049016 is about 12043.6296854395. The cubic root of 145049016 is about 525.4179782498.

Adding to 145049016 its reverse (610940541), we get a palindrome (755989557).

The spelling of 145049016 in words is "one hundred forty-five million, forty-nine thousand, sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 123341 246682 370023 493364 740046 863387 986728 1480092 1726774 2590161 2960184 3453548 5180322 6043709 6907096 10360644 12087418 18131127 20721288 24174836 36262254 48349672 72524508 145049016