45322719 has 16 divisors (see below), whose sum is σ = 67909632. Its totient is φ = 26677728.

The previous prime is 45322703. The next prime is 45322723. The reversal of 45322719 is 91722354.

It is not a de Polignac number, because 45322719 - 2⁴ = 45322703 is a prime.

It is a super-2 number, since 2×45322719² = 4108297715105922, 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 45322719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45322759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24367 + ... + 26160.

It is an arithmetic number, because the mean of its divisors is an integer number (4244352).

Almost surely, 2^45322719 is an apocalyptic number.

45322719 is a deficient number, since it is larger than the sum of its proper divisors (22586913).

45322719 is a wasteful number, since it uses less digits than its factorization.

45322719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50566.

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

The square root of 45322719 is about 6732.2150143916. The cubic root of 45322719 is about 356.5375852032.

The spelling of 45322719 in words is "forty-five million, three hundred twenty-two thousand, seven hundred nineteen".