180132557 has 16 divisors (see below), whose sum is σ = 202112064. Its totient is φ = 159120000.

The previous prime is 180132541. The next prime is 180132577. The reversal of 180132557 is 755231081.

It is a cyclic number.

It is not a de Polignac number, because 180132557 - 2⁴ = 180132541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180132577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137807 + ... + 139107.

It is an arithmetic number, because the mean of its divisors is an integer number (12632004).

Almost surely, 2^180132557 is an apocalyptic number.

It is an amenable number.

180132557 is a deficient number, since it is larger than the sum of its proper divisors (21979507).

180132557 is a wasteful number, since it uses less digits than its factorization.

180132557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 180132557 is about 13421.3470635402. The cubic root of 180132557 is about 564.7601843336.

The spelling of 180132557 in words is "one hundred eighty million, one hundred thirty-two thousand, five hundred fifty-seven".