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144854628 = 22312071219
BaseRepresentation
bin10001010001001…
…00111001100100
3101002120101012020
420220210321210
5244040322003
622212423140
73406146462
oct1050447144
9332511166
10144854628
1174848476
1240617ab0
1324019bc9
1415349832
15cab4d53
hex8a24e64

144854628 has 12 divisors (see below), whose sum is σ = 337994160. Its totient is φ = 48284872.

The previous prime is 144854597. The next prime is 144854629. The reversal of 144854628 is 826458441.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 144854628.

It is not an unprimeable number, because it can be changed into a prime (144854629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6035598 + ... + 6035621.

It is an arithmetic number, because the mean of its divisors is an integer number (28166180).

Almost surely, 2144854628 is an apocalyptic number.

It is an amenable number.

144854628 is an abundant number, since it is smaller than the sum of its proper divisors (193139532).

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

144854628 is a wasteful number, since it uses less digits than its factorization.

144854628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12071226 (or 12071224 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 144854628 is about 12035.5568213523. The cubic root of 144854628 is about 525.1831596754.

The spelling of 144854628 in words is "one hundred forty-four million, eight hundred fifty-four thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 12071219 24142438 36213657 48284876 72427314 144854628