45487737 has 20 divisors (see below), whose sum is σ = 69613236. Its totient is φ = 29583360.

The previous prime is 45487709. The next prime is 45487759. The reversal of 45487737 is 73778454.

45487737 is a `hidden beast` number, since 4 + 548 + 77 + 37 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1610361 + 43877376 = 1269^2 + 6624^2 .

It is not a de Polignac number, because 45487737 - 2⁷ = 45487609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45487692 and 45487701.

It is not an unprimeable number, because it can be changed into a prime (45487777) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3528 + ... + 10169.

Almost surely, 2^45487737 is an apocalyptic number.

It is an amenable number.

45487737 is a deficient number, since it is larger than the sum of its proper divisors (24125499).

45487737 is a wasteful number, since it uses less digits than its factorization.

45487737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13750 (or 13741 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The square root of 45487737 is about 6744.4597263235. The cubic root of 45487737 is about 356.9697735866.

The spelling of 45487737 in words is "forty-five million, four hundred eighty-seven thousand, seven hundred thirty-seven".