45657617 has 4 divisors (see below), whose sum is σ = 45671220. Its totient is φ = 45644016.

The previous prime is 45657613. The next prime is 45657659. The reversal of 45657617 is 71675654.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71675654 = 2 ⋅35837827.

It can be written as a sum of positive squares in 2 ways, for example, as 44609041 + 1048576 = 6679^2 + 1024^2 .

It is a cyclic number.

It is not a de Polignac number, because 45657617 - 2² = 45657613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45657613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243 + ... + 9815.

It is an arithmetic number, because the mean of its divisors is an integer number (11417805).

Almost surely, 2^45657617 is an apocalyptic number.

It is an amenable number.

45657617 is a deficient number, since it is larger than the sum of its proper divisors (13603).

45657617 is an equidigital number, since it uses as much as digits as its factorization.

45657617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13602.

The product of its digits is 176400, while the sum is 41.

The square root of 45657617 is about 6757.0420303562. The cubic root of 45657617 is about 357.4136052174.

The spelling of 45657617 in words is "forty-five million, six hundred fifty-seven thousand, six hundred seventeen".