157381900 has 36 divisors (see below), whose sum is σ = 367792432. Its totient is φ = 58109760.

The previous prime is 157381843. The next prime is 157381907. The reversal of 157381900 is 9183751.

It is a happy number.

It is a super-2 number, since 2×157381900² = 49538124895220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157381907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59232 + ... + 61831.

Almost surely, 2^157381900 is an apocalyptic number.

157381900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157381900 is an abundant number, since it is smaller than the sum of its proper divisors (210410532).

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

157381900 is a wasteful number, since it uses less digits than its factorization.

157381900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121090 (or 121083 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 157381900 is about 12545.1942990135. The cubic root of 157381900 is about 539.9061336616.

The spelling of 157381900 in words is "one hundred fifty-seven million, three hundred eighty-one thousand, nine hundred".