45013319 has 6 divisors (see below), whose sum is σ = 48742416. Its totient is φ = 41550600.

The previous prime is 45013301. The next prime is 45013327. The reversal of 45013319 is 91331054.

It is not a de Polignac number, because 45013319 - 2⁸ = 45013063 is a prime.

It is a super-2 number, since 2×45013319² = 4052397774791522, 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 (45013379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133007 + ... + 133344.

It is an arithmetic number, because the mean of its divisors is an integer number (8123736).

Almost surely, 2^45013319 is an apocalyptic number.

45013319 is a deficient number, since it is larger than the sum of its proper divisors (3729097).

45013319 is a wasteful number, since it uses less digits than its factorization.

45013319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266377 (or 266364 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 45013319 is about 6709.1965986994. The cubic root of 45013319 is about 355.7244190333.

The spelling of 45013319 in words is "forty-five million, thirteen thousand, three hundred nineteen".