157342760 has 16 divisors (see below), whose sum is σ = 354021300. Its totient is φ = 62937088.

The previous prime is 157342753. The next prime is 157342807. The reversal of 157342760 is 67243751.

It can be written as a sum of positive squares in 2 ways, for example, as 154902916 + 2439844 = 12446^2 + 1562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157342760.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1966745 + ... + 1966824.

Almost surely, 2^157342760 is an apocalyptic number.

157342760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157342760 is an abundant number, since it is smaller than the sum of its proper divisors (196678540).

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

157342760 is a wasteful number, since it uses less digits than its factorization.

157342760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933580 (or 3933576 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 157342760 is about 12543.6342421166. The cubic root of 157342760 is about 539.8613727370.

Subtracting from 157342760 its reverse (67243751), we obtain a palindrome (90099009).

The spelling of 157342760 in words is "one hundred fifty-seven million, three hundred forty-two thousand, seven hundred sixty".