45566319 has 4 divisors (see below), whose sum is σ = 60755096. Its totient is φ = 30377544.

The previous prime is 45566263. The next prime is 45566327. The reversal of 45566319 is 91366554.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45566319 - 2²⁰ = 44517743 is a prime.

It is a super-2 number, since 2×45566319² = 4152578854419522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45566399) 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, 7594384 + ... + 7594389.

It is an arithmetic number, because the mean of its divisors is an integer number (15188774).

Almost surely, 2^45566319 is an apocalyptic number.

45566319 is a deficient number, since it is larger than the sum of its proper divisors (15188777).

45566319 is a wasteful number, since it uses less digits than its factorization.

45566319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15188776.

The product of its digits is 97200, while the sum is 39.

The square root of 45566319 is about 6750.2828829613. The cubic root of 45566319 is about 357.1752154834.

The spelling of 45566319 in words is "forty-five million, five hundred sixty-six thousand, three hundred nineteen".