45663973 has 6 divisors (see below), whose sum is σ = 48194214. Its totient is φ = 43260264.

The previous prime is 45663971. The next prime is 45663977. The reversal of 45663973 is 37936654.

It can be written as a sum of positive squares in only one way, i.e., 43467649 + 2196324 = 6593^2 + 1482^2 .

It is not a de Polignac number, because 45663973 - 2¹ = 45663971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45663971) 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, 62886 + ... + 63607.

It is an arithmetic number, because the mean of its divisors is an integer number (8032369).

Almost surely, 2^45663973 is an apocalyptic number.

It is an amenable number.

45663973 is a deficient number, since it is larger than the sum of its proper divisors (2530241).

45663973 is a wasteful number, since it uses less digits than its factorization.

45663973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126531 (or 126512 counting only the distinct ones).

The product of its digits is 408240, while the sum is 43.

The square root of 45663973 is about 6757.5123381315. The cubic root of 45663973 is about 357.4301896387.

The spelling of 45663973 in words is "forty-five million, six hundred sixty-three thousand, nine hundred seventy-three".