157242700 has 18 divisors (see below), whose sum is σ = 341216876. Its totient is φ = 62897040.

The previous prime is 157242661. The next prime is 157242719. The reversal of 157242700 is 7242751.

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, 786114 + ... + 786313.

Almost surely, 2^157242700 is an apocalyptic number.

157242700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157242700 is an abundant number, since it is smaller than the sum of its proper divisors (183974176).

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

157242700 is a wasteful number, since it uses less digits than its factorization.

157242700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572441 (or 1572434 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 157242700 is about 12539.6451305450. The cubic root of 157242700 is about 539.7469092904.

The spelling of 157242700 in words is "one hundred fifty-seven million, two hundred forty-two thousand, seven hundred".