45437517 has 20 divisors (see below), whose sum is σ = 69714876. Its totient is φ = 29471040.

The previous prime is 45437507. The next prime is 45437533. The reversal of 45437517 is 71573454.

It is a happy number.

45437517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33802596 + 11634921 = 5814^2 + 3411^2 .

It is not a de Polignac number, because 45437517 - 2⁴ = 45437501 is a prime.

It is a super-2 number, since 2×45437517² = 4129135902250578, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45437507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4584 + ... + 10577.

Almost surely, 2^45437517 is an apocalyptic number.

It is an amenable number.

45437517 is a deficient number, since it is larger than the sum of its proper divisors (24277359).

45437517 is a wasteful number, since it uses less digits than its factorization.

45437517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15210 (or 15201 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 45437517 is about 6740.7356423465. The cubic root of 45437517 is about 356.8383563109.

It can be divided in two parts, 45437 and 517, that added together give a palindrome (45954).

The spelling of 45437517 in words is "forty-five million, four hundred thirty-seven thousand, five hundred seventeen".