154472656 has 20 divisors (see below), whose sum is σ = 322313572. Its totient is φ = 71294976.

The previous prime is 154472653. The next prime is 154472657. The reversal of 154472656 is 656274451.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9511056 + 144961600 = 3084^2 + 12040^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154472653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371121 + ... + 371536.

Almost surely, 2^154472656 is an apocalyptic number.

154472656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

154472656 is an abundant number, since it is smaller than the sum of its proper divisors (167840916).

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

154472656 is a wasteful number, since it uses less digits than its factorization.

154472656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742678 (or 742672 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 154472656 is about 12428.7029089926. The cubic root of 154472656 is about 536.5586549254.

The spelling of 154472656 in words is "one hundred fifty-four million, four hundred seventy-two thousand, six hundred fifty-six".