1532451172 has 24 divisors (see below), whose sum is σ = 3065807360. Its totient is φ = 656570880.

The previous prime is 1532451139. The next prime is 1532451181. The reversal of 1532451172 is 2711542351.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129604 + ... + 140932.

Almost surely, 2^1532451172 is an apocalyptic number.

It is an amenable number.

1532451172 is an abundant number, since it is smaller than the sum of its proper divisors (1533356188).

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

1532451172 is a wasteful number, since it uses less digits than its factorization.

1532451172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16171 (or 16169 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 1532451172 is about 39146.5346103586. The cubic root of 1532451172 is about 1152.9103780245.

The spelling of 1532451172 in words is "one billion, five hundred thirty-two million, four hundred fifty-one thousand, one hundred seventy-two".