45166631 has 4 divisors (see below), whose sum is σ = 45212232. Its totient is φ = 45121032.

The previous prime is 45166619. The next prime is 45166669. The reversal of 45166631 is 13666154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45166631 - 2¹⁰ = 45165607 is a prime.

It is a super-2 number, since 2×45166631² = 4080049111780322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45166531) by changing a digit.

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, 21281 + ... + 23306.

It is an arithmetic number, because the mean of its divisors is an integer number (11303058).

Almost surely, 2^45166631 is an apocalyptic number.

45166631 is a deficient number, since it is larger than the sum of its proper divisors (45601).

45166631 is a wasteful number, since it uses less digits than its factorization.

45166631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45600.

The product of its digits is 12960, while the sum is 32.

The square root of 45166631 is about 6720.6123976912. The cubic root of 45166631 is about 356.1278183243.

The spelling of 45166631 in words is "forty-five million, one hundred sixty-six thousand, six hundred thirty-one".