45221379 has 16 divisors (see below), whose sum is σ = 70376448. Its totient is φ = 25290432.

The previous prime is 45221347. The next prime is 45221389. The reversal of 45221379 is 97312254.

It is not a de Polignac number, because 45221379 - 2⁵ = 45221347 is a prime.

It is a super-3 number, since 3×45221379³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45221389) 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, 21922 + ... + 23895.

It is an arithmetic number, because the mean of its divisors is an integer number (4398528).

Almost surely, 2^45221379 is an apocalyptic number.

45221379 is a deficient number, since it is larger than the sum of its proper divisors (25155069).

45221379 is a wasteful number, since it uses less digits than its factorization.

45221379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45874.

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

The square root of 45221379 is about 6724.6843048577. The cubic root of 45221379 is about 356.2716517465.

The spelling of 45221379 in words is "forty-five million, two hundred twenty-one thousand, three hundred seventy-nine".