154972764 has 36 divisors (see below), whose sum is σ = 406248024. Its totient is φ = 51657264.

The previous prime is 154972733. The next prime is 154972777. The reversal of 154972764 is 467279451.

154972764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78747 + ... + 80690.

Almost surely, 2^154972764 is an apocalyptic number.

It is an amenable number.

154972764 is an abundant number, since it is smaller than the sum of its proper divisors (251275260).

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

154972764 is a wasteful number, since it uses less digits than its factorization.

154972764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159456 (or 159442 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 154972764 is about 12448.8057258518. The cubic root of 154972764 is about 537.1370705929.

The spelling of 154972764 in words is "one hundred fifty-four million, nine hundred seventy-two thousand, seven hundred sixty-four".