157534250 has 32 divisors (see below), whose sum is σ = 304432128. Its totient is φ = 60978000.

The previous prime is 157534231. The next prime is 157534261. The reversal of 157534250 is 52435751.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2414 + ... + 17913.

It is an arithmetic number, because the mean of its divisors is an integer number (9513504).

Almost surely, 2^157534250 is an apocalyptic number.

157534250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157534250 is a deficient number, since it is larger than the sum of its proper divisors (146897878).

157534250 is a wasteful number, since it uses less digits than its factorization.

157534250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20375 (or 20365 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 157534250 is about 12551.2648764975. The cubic root of 157534250 is about 540.0802921303.

The spelling of 157534250 in words is "one hundred fifty-seven million, five hundred thirty-four thousand, two hundred fifty".