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144435230 = 25174718077
BaseRepresentation
bin10001001101111…
…10100000011110
3101001210001212222
420212332200132
5243433411410
622155425342
73402451652
oct1046764036
9331701788
10144435230
1174591365
1240455252
1323c01044
141527aa62
15ca30955
hex89be81e

144435230 has 32 divisors (see below), whose sum is σ = 281149056. Its totient is φ = 53215744.

The previous prime is 144435227. The next prime is 144435241. The reversal of 144435230 is 32534441.

144435230 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 self number, because there is not a number n which added to its sum of digits gives 144435230.

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, 1049 + ... + 17028.

It is an arithmetic number, because the mean of its divisors is an integer number (8785908).

Almost surely, 2144435230 is an apocalyptic number.

144435230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144435230 is a deficient number, since it is larger than the sum of its proper divisors (136713826).

144435230 is a wasteful number, since it uses less digits than its factorization.

144435230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18148.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 144435230 is about 12018.1209013722. The cubic root of 144435230 is about 524.6758149756.

Adding to 144435230 its reverse (32534441), we get a palindrome (176969671).

The spelling of 144435230 in words is "one hundred forty-four million, four hundred thirty-five thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 47 85 94 170 235 470 799 1598 3995 7990 18077 36154 90385 180770 307309 614618 849619 1536545 1699238 3073090 4248095 8496190 14443523 28887046 72217615 144435230