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144102868 = 22713395887
BaseRepresentation
bin10001001011011…
…01010111010100
3101001011011222021
420211231113110
5243342242433
622144342524
73366565660
oct1045552724
9331134867
10144102868
1174384688
1240314a44
1323b15990
14151d18a0
15c9b722d
hex896d5d4

144102868 has 24 divisors (see below), whose sum is σ = 310376192. Its totient is φ = 57007584.

The previous prime is 144102851. The next prime is 144102913. The reversal of 144102868 is 868201441.

144102868 is digitally balanced in base 2, because in such base 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 7 ways as a sum of consecutive naturals, for example, 197580 + ... + 198307.

Almost surely, 2144102868 is an apocalyptic number.

It is an amenable number.

144102868 is an abundant number, since it is smaller than the sum of its proper divisors (166273324).

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

144102868 is a wasteful number, since it uses less digits than its factorization.

144102868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395911 (or 395909 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 144102868 is about 12004.2854014723. The cubic root of 144102868 is about 524.2730595160.

The spelling of 144102868 in words is "one hundred forty-four million, one hundred two thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 395887 791774 1583548 2771209 5146531 5542418 10293062 11084836 20586124 36025717 72051434 144102868