132645623 has 32 divisors (see below), whose sum is σ = 158630400. Its totient is φ = 109648000.

The previous prime is 132645607. The next prime is 132645637. The reversal of 132645623 is 326546231.

It is not a de Polignac number, because 132645623 - 2⁴ = 132645607 is a prime.

It is a super-2 number, since 2×132645623² = 35189722602116258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132645623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132645673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 740948 + ... + 741126.

It is an arithmetic number, because the mean of its divisors is an integer number (4957200).

Almost surely, 2^132645623 is an apocalyptic number.

132645623 is a deficient number, since it is larger than the sum of its proper divisors (25984777).

132645623 is a wasteful number, since it uses less digits than its factorization.

132645623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its digits is 25920, while the sum is 32.

The square root of 132645623 is about 11517.1881551011. The cubic root of 132645623 is about 509.9931089675.

The spelling of 132645623 in words is "one hundred thirty-two million, six hundred forty-five thousand, six hundred twenty-three".