157641800 has 24 divisors (see below), whose sum is σ = 366517650. Its totient is φ = 63056640.

The previous prime is 157641791. The next prime is 157641823. The reversal of 157641800 is 8146751.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 118679236 + 38962564 = 10894^2 + 6242^2 .

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, 393905 + ... + 394304.

Almost surely, 2^157641800 is an apocalyptic number.

157641800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157641800 is an abundant number, since it is smaller than the sum of its proper divisors (208875850).

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

157641800 is a wasteful number, since it uses less digits than its factorization.

157641800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788225 (or 788216 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 157641800 is about 12555.5485742360. The cubic root of 157641800 is about 540.2031700059.

The spelling of 157641800 in words is "one hundred fifty-seven million, six hundred forty-one thousand, eight hundred".