157533906 has 16 divisors (see below), whose sum is σ = 315195264. Its totient is φ = 52490064.

The previous prime is 157533899. The next prime is 157533941. The reversal of 157533906 is 609335751.

157533906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20151 + ... + 26853.

It is an arithmetic number, because the mean of its divisors is an integer number (19699704).

Almost surely, 2^157533906 is an apocalyptic number.

157533906 is an abundant number, since it is smaller than the sum of its proper divisors (157661358).

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

157533906 is a wasteful number, since it uses less digits than its factorization.

157533906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625.

The product of its (nonzero) digits is 85050, while the sum is 39.

The square root of 157533906 is about 12551.2511726919. The cubic root of 157533906 is about 540.0798990142.

The spelling of 157533906 in words is "one hundred fifty-seven million, five hundred thirty-three thousand, nine hundred six".