154531372 has 12 divisors (see below), whose sum is σ = 279755280. Its totient is φ = 74601296.

The previous prime is 154531339. The next prime is 154531393. The reversal of 154531372 is 273135451.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665968 + ... + 666199.

It is an arithmetic number, because the mean of its divisors is an integer number (23312940).

Almost surely, 2^154531372 is an apocalyptic number.

It is an amenable number.

154531372 is a deficient number, since it is larger than the sum of its proper divisors (125223908).

154531372 is a wasteful number, since it uses less digits than its factorization.

154531372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332200 (or 1332198 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 154531372 is about 12431.0647975143. The cubic root of 154531372 is about 536.6266293876.

The spelling of 154531372 in words is "one hundred fifty-four million, five hundred thirty-one thousand, three hundred seventy-two".