152131780 has 24 divisors (see below), whose sum is σ = 320348952. Its totient is φ = 60686592.

The previous prime is 152131769. The next prime is 152131877. The reversal of 152131780 is 87131251.

It can be written as a sum of positive squares in 4 ways, for example, as 19236996 + 132894784 = 4386^2 + 11528^2 .

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, 2737 + ... + 17656.

It is an arithmetic number, because the mean of its divisors is an integer number (13347873).

Almost surely, 2^152131780 is an apocalyptic number.

152131780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152131780 is an abundant number, since it is smaller than the sum of its proper divisors (168217172).

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

152131780 is a wasteful number, since it uses less digits than its factorization.

152131780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20775 (or 20773 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 152131780 is about 12334.1712327987. The cubic root of 152131780 is about 533.8345141289.

The spelling of 152131780 in words is "one hundred fifty-two million, one hundred thirty-one thousand, seven hundred eighty".