154467972 has 30 divisors (see below), whose sum is σ = 403810638. Its totient is φ = 51489216.

The previous prime is 154467961. The next prime is 154468021. The reversal of 154467972 is 279764451.

154467972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 127780416 + 26687556 = 11304^2 + 5166^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 238053 + ... + 238700.

Almost surely, 2^154467972 is an apocalyptic number.

154467972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154467972 is an abundant number, since it is smaller than the sum of its proper divisors (249342666).

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

154467972 is a wasteful number, since it uses less digits than its factorization.

154467972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476769 (or 476758 counting only the distinct ones).

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

The square root of 154467972 is about 12428.5144727759. The cubic root of 154467972 is about 536.5532316007.

The spelling of 154467972 in words is "one hundred fifty-four million, four hundred sixty-seven thousand, nine hundred seventy-two".