157056250 has 48 divisors (see below), whose sum is σ = 317276568. Its totient is φ = 57960000.

The previous prime is 157056209. The next prime is 157056269. The reversal of 157056250 is 52650751.

It can be written as a sum of positive squares in 12 ways, for example, as 88679889 + 68376361 = 9417^2 + 8269^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80284 + ... + 82216.

Almost surely, 2^157056250 is an apocalyptic number.

157056250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157056250 is an abundant number, since it is smaller than the sum of its proper divisors (160220318).

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

157056250 is an equidigital number, since it uses as much as digits as its factorization.

157056250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 157056250 is about 12532.2085044895. The cubic root of 157056250 is about 539.5334905569.

The spelling of 157056250 in words is "one hundred fifty-seven million, fifty-six thousand, two hundred fifty".