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144544230 = 2335535349
BaseRepresentation
bin10001001110110…
…01000111100110
3101001222121102000
420213121013212
5244000403410
622202030130
73403414515
oct1047310746
9331877360
10144544230
1174656246
12404a8346
1323c3b83c
14152a867c
15ca52dc0
hex89d91e6

144544230 has 32 divisors (see below), whose sum is σ = 385452000. Its totient is φ = 38545056.

The previous prime is 144544189. The next prime is 144544243. The reversal of 144544230 is 32445441.

It is a happy number.

144544230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 144544194 and 144544203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267405 + ... + 267944.

It is an arithmetic number, because the mean of its divisors is an integer number (12045375).

Almost surely, 2144544230 is an apocalyptic number.

144544230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144544230 is an abundant number, since it is smaller than the sum of its proper divisors (240907770).

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

144544230 is a wasteful number, since it uses less digits than its factorization.

144544230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535365 (or 535359 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 144544230 is about 12022.6548648791. The cubic root of 144544230 is about 524.8077663551.

Adding to 144544230 its reverse (32445441), we get a palindrome (176989671).

The spelling of 144544230 in words is "one hundred forty-four million, five hundred forty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 535349 1070698 1606047 2676745 3212094 4818141 5353490 8030235 9636282 14454423 16060470 24090705 28908846 48181410 72272115 144544230