154717928964 has 27 divisors (see below), whose sum is σ = 391098508437. Its totient is φ = 51571856304.

The previous prime is 154717928941. The next prime is 154717928987. The reversal of 154717928964 is 469829717451.

The square root of 154717928964 is 393342.

It is a perfect power (a square), and thus also a powerful number.

154717928964 is a `hidden beast` number, since 1 + 5 + 471 + 79 + 2 + 8 + 96 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (154717928941) and next prime (154717928987).

It can be written as a sum of positive squares in only one way, i.e., 110789122500 + 43928806464 = 332850^2 + 209592^2 .

It is a super-2 number, since 2×154717928964² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2327274 + ... + 2392830.

Almost surely, 2^154717928964 is an apocalyptic number.

154717928964 is the 393342-nd square number.

It is an amenable number.

154717928964 is an abundant number, since it is smaller than the sum of its proper divisors (236380579473).

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

154717928964 is an frugal number, since it uses more digits than its factorization.

154717928964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131124 (or 65562 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

It can be divided in two parts, 154717 and 928964, that added together give a square (1083681 = 1041²).

The spelling of 154717928964 in words is "one hundred fifty-four billion, seven hundred seventeen million, nine hundred twenty-eight thousand, nine hundred sixty-four".