45213617 has 4 divisors (see below), whose sum is σ = 45287280. Its totient is φ = 45139956.

The previous prime is 45213613. The next prime is 45213629. The reversal of 45213617 is 71631254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45213617 - 2² = 45213613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45213617.

It is not an unprimeable number, because it can be changed into a prime (45213613) 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, 35903 + ... + 37140.

It is an arithmetic number, because the mean of its divisors is an integer number (11321820).

Almost surely, 2^45213617 is an apocalyptic number.

It is an amenable number.

45213617 is a deficient number, since it is larger than the sum of its proper divisors (73663).

45213617 is an equidigital number, since it uses as much as digits as its factorization.

45213617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73662.

The product of its digits is 5040, while the sum is 29.

The square root of 45213617 is about 6724.1071526263. The cubic root of 45213617 is about 356.2512665596.

The spelling of 45213617 in words is "forty-five million, two hundred thirteen thousand, six hundred seventeen".