45542637 has 12 divisors (see below), whose sum is σ = 75181600. Its totient is φ = 26024328.

The previous prime is 45542611. The next prime is 45542641. The reversal of 45542637 is 73624554.

It is not a de Polignac number, because 45542637 - 2⁷ = 45542509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45542687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361387 + ... + 361512.

Almost surely, 2^45542637 is an apocalyptic number.

It is an amenable number.

45542637 is a deficient number, since it is larger than the sum of its proper divisors (29638963).

45542637 is a wasteful number, since it uses less digits than its factorization.

45542637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722912 (or 722909 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 45542637 is about 6748.5285062745. The cubic root of 45542637 is about 357.1133270136.

The spelling of 45542637 in words is "forty-five million, five hundred forty-two thousand, six hundred thirty-seven".