45133737 has 16 divisors (see below), whose sum is σ = 67768320. Its totient is φ = 26470800.

The previous prime is 45133667. The next prime is 45133763. The reversal of 45133737 is 73733154.

It is a happy number.

It is not a de Polignac number, because 45133737 - 2⁷ = 45133609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 45133698 and 45133707.

It is not an unprimeable number, because it can be changed into a prime (45133237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21037 + ... + 23082.

It is an arithmetic number, because the mean of its divisors is an integer number (4235520).

Almost surely, 2^45133737 is an apocalyptic number.

It is an amenable number.

45133737 is a deficient number, since it is larger than the sum of its proper divisors (22634583).

45133737 is a wasteful number, since it uses less digits than its factorization.

45133737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44164.

The product of its digits is 26460, while the sum is 33.

The square root of 45133737 is about 6718.1647047389. The cubic root of 45133737 is about 356.0413436182.

The spelling of 45133737 in words is "forty-five million, one hundred thirty-three thousand, seven hundred thirty-seven".