157587740 has 24 divisors (see below), whose sum is σ = 342347040. Its totient is φ = 60861248.

The previous prime is 157587737. The next prime is 157587751. The reversal of 157587740 is 47785751.

It is a junction number, because it is equal to n+sod(n) for n = 157587691 and 157587700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135272 + ... + 136431.

It is an arithmetic number, because the mean of its divisors is an integer number (14264460).

Almost surely, 2^157587740 is an apocalyptic number.

157587740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157587740 is an abundant number, since it is smaller than the sum of its proper divisors (184759300).

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

157587740 is a wasteful number, since it uses less digits than its factorization.

157587740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271741 (or 271739 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 44.

The square root of 157587740 is about 12553.3955565815. The cubic root of 157587740 is about 540.1414124386.

The spelling of 157587740 in words is "one hundred fifty-seven million, five hundred eighty-seven thousand, seven hundred forty".