154539957 has 16 divisors (see below), whose sum is σ = 242077248. Its totient is φ = 86455680.

The previous prime is 154539953. The next prime is 154539961. The reversal of 154539957 is 759935451.

It is an interprime number because it is at equal distance from previous prime (154539953) and next prime (154539961).

It is not a de Polignac number, because 154539957 - 2² = 154539953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154539953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179688 + ... + 180545.

It is an arithmetic number, because the mean of its divisors is an integer number (15129828).

Almost surely, 2^154539957 is an apocalyptic number.

It is an amenable number.

154539957 is a deficient number, since it is larger than the sum of its proper divisors (87537291).

154539957 is a wasteful number, since it uses less digits than its factorization.

154539957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360260.

The product of its digits is 850500, while the sum is 48.

The square root of 154539957 is about 12431.4100970083. The cubic root of 154539957 is about 536.6365666455.

The spelling of 154539957 in words is "one hundred fifty-four million, five hundred thirty-nine thousand, nine hundred fifty-seven".