45307737 has 12 divisors (see below), whose sum is σ = 69294420. Its totient is φ = 28428288.

The previous prime is 45307729. The next prime is 45307741. The reversal of 45307737 is 73770354.

It can be written as a sum of positive squares in 2 ways, for example, as 15397776 + 29909961 = 3924^2 + 5469^2 .

It is not a de Polignac number, because 45307737 - 2³ = 45307729 is a prime.

It is a super-2 number, since 2×45307737² = 4105582064122338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45307637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147912 + ... + 148217.

It is an arithmetic number, because the mean of its divisors is an integer number (5774535).

Almost surely, 2^45307737 is an apocalyptic number.

It is an amenable number.

45307737 is a deficient number, since it is larger than the sum of its proper divisors (23986683).

45307737 is a wasteful number, since it uses less digits than its factorization.

45307737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296152 (or 296149 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 36.

The square root of 45307737 is about 6731.1022128623. The cubic root of 45307737 is about 356.4982948656.

The spelling of 45307737 in words is "forty-five million, three hundred seven thousand, seven hundred thirty-seven".