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144040164 = 22328374231
BaseRepresentation
bin10001001010111…
…10000011100100
3101001000222221220
420211132003210
5243333241124
622143140340
73366215112
oct1045360344
9331028856
10144040164
1174341564
12402a46b0
1323ac3288
14151b6ab2
15c9a3879
hex895e0e4

144040164 has 24 divisors (see below), whose sum is σ = 336291648. Its totient is φ = 47985120.

The previous prime is 144040163. The next prime is 144040177. The reversal of 144040164 is 461040441.

It is not an unprimeable number, because it can be changed into a prime (144040163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31929 + ... + 36159.

It is an arithmetic number, because the mean of its divisors is an integer number (14012152).

Almost surely, 2144040164 is an apocalyptic number.

It is an amenable number.

144040164 is an abundant number, since it is smaller than the sum of its proper divisors (192251484).

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

144040164 is a wasteful number, since it uses less digits than its factorization.

144040164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7075 (or 7073 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 144040164 is about 12001.6733833245. The cubic root of 144040164 is about 524.1970055421.

The spelling of 144040164 in words is "one hundred forty-four million, forty thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 2837 4231 5674 8462 8511 11348 12693 16924 17022 25386 34044 50772 12003347 24006694 36010041 48013388 72020082 144040164