45663737 has 6 divisors (see below), whose sum is σ = 53119098. Its totient is φ = 39140304.

The previous prime is 45663733. The next prime is 45663769. The reversal of 45663737 is 73736654.

It can be written as a sum of positive squares in only one way, i.e., 35652841 + 10010896 = 5971^2 + 3164^2 .

It is not a de Polignac number, because 45663737 - 2² = 45663733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45663694 and 45663703.

It is not an unprimeable number, because it can be changed into a prime (45663731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 465908 + ... + 466005.

It is an arithmetic number, because the mean of its divisors is an integer number (8853183).

Almost surely, 2^45663737 is an apocalyptic number.

It is an amenable number.

45663737 is a deficient number, since it is larger than the sum of its proper divisors (7455361).

45663737 is an equidigital number, since it uses as much as digits as its factorization.

45663737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931927 (or 931920 counting only the distinct ones).

The product of its digits is 317520, while the sum is 41.

The square root of 45663737 is about 6757.4948760617. The cubic root of 45663737 is about 357.4295738821.

The spelling of 45663737 in words is "forty-five million, six hundred sixty-three thousand, seven hundred thirty-seven".