154157872 has 30 divisors (see below), whose sum is σ = 328306244. Its totient is φ = 70070880.

The previous prime is 154157869. The next prime is 154157897. The reversal of 154157872 is 278751451.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37878 + ... + 41749.

Almost surely, 2^154157872 is an apocalyptic number.

It is an amenable number.

154157872 is an abundant number, since it is smaller than the sum of its proper divisors (174148372).

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

154157872 is a wasteful number, since it uses less digits than its factorization.

154157872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79657 (or 79640 counting only the distinct ones).

The product of its digits is 78400, while the sum is 40.

The square root of 154157872 is about 12416.0328607813. The cubic root of 154157872 is about 536.1939411046.

The spelling of 154157872 in words is "one hundred fifty-four million, one hundred fifty-seven thousand, eight hundred seventy-two".