45722319 has 4 divisors (see below), whose sum is σ = 60963096. Its totient is φ = 30481544.

The previous prime is 45722291. The next prime is 45722323. The reversal of 45722319 is 91322754.

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

It is a cyclic number.

It is not a de Polignac number, because 45722319 - 2⁷ = 45722191 is a prime.

It is a super-2 number, since 2×45722319² = 4181060909475522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45722319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45722219) 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, 7620384 + ... + 7620389.

It is an arithmetic number, because the mean of its divisors is an integer number (15240774).

Almost surely, 2^45722319 is an apocalyptic number.

45722319 is a deficient number, since it is larger than the sum of its proper divisors (15240777).

45722319 is a wasteful number, since it uses less digits than its factorization.

45722319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15240776.

The product of its digits is 15120, while the sum is 33.

The square root of 45722319 is about 6761.8280812218. The cubic root of 45722319 is about 357.5823573442.

The spelling of 45722319 in words is "forty-five million, seven hundred twenty-two thousand, three hundred nineteen".