157457500 has 30 divisors (see below), whose sum is σ = 344333528. Its totient is φ = 62982000.

The previous prime is 157457497. The next prime is 157457539. The reversal of 157457500 is 5754751.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28992 + ... + 33991.

Almost surely, 2^157457500 is an apocalyptic number.

157457500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157457500 is an abundant number, since it is smaller than the sum of its proper divisors (186876028).

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

157457500 is an equidigital number, since it uses as much as digits as its factorization.

157457500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63007 (or 62990 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 157457500 is about 12548.2070432393. The cubic root of 157457500 is about 539.9925696280.

The spelling of 157457500 in words is "one hundred fifty-seven million, four hundred fifty-seven thousand, five hundred".