132445657 has 8 divisors (see below), whose sum is σ = 140502816. Its totient is φ = 124418112.

The previous prime is 132445631. The next prime is 132445679. The reversal of 132445657 is 756544231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132445657 - 2¹⁹ = 131921369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132445627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2178 + ... + 16420.

It is an arithmetic number, because the mean of its divisors is an integer number (17562852).

Almost surely, 2^132445657 is an apocalyptic number.

132445657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

132445657 is a deficient number, since it is larger than the sum of its proper divisors (8057159).

132445657 is a wasteful number, since it uses less digits than its factorization.

132445657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14807.

The product of its digits is 100800, while the sum is 37.

The square root of 132445657 is about 11508.5036820605. The cubic root of 132445657 is about 509.7367050521.

Adding to 132445657 its reverse (756544231), we get a palindrome (888989888).

The spelling of 132445657 in words is "one hundred thirty-two million, four hundred forty-five thousand, six hundred fifty-seven".