157403540 has 48 divisors (see below), whose sum is σ = 378628992. Its totient is φ = 53844096.

The previous prime is 157403539. The next prime is 157403557. The reversal of 157403540 is 45304751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77822 + ... + 79818.

It is an arithmetic number, because the mean of its divisors is an integer number (7888104).

Almost surely, 2^157403540 is an apocalyptic number.

157403540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157403540 is an abundant number, since it is smaller than the sum of its proper divisors (221225452).

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

157403540 is a wasteful number, since it uses less digits than its factorization.

157403540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576 (or 2574 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 157403540 is about 12546.0567510274. The cubic root of 157403540 is about 539.9308782125.

The spelling of 157403540 in words is "one hundred fifty-seven million, four hundred three thousand, five hundred forty".