45379581 has 32 divisors (see below), whose sum is σ = 70103040. Its totient is φ = 25873344.

The previous prime is 45379571. The next prime is 45379583. The reversal of 45379581 is 18597354.

It is not a de Polignac number, because 45379581 - 2⁵ = 45379549 is a prime.

It is a super-2 number, since 2×45379581² = 4118612743471122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45379583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34176 + ... + 35478.

It is an arithmetic number, because the mean of its divisors is an integer number (2190720).

Almost surely, 2^45379581 is an apocalyptic number.

It is an amenable number.

45379581 is a deficient number, since it is larger than the sum of its proper divisors (24723459).

45379581 is a wasteful number, since it uses less digits than its factorization.

45379581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385.

The product of its digits is 151200, while the sum is 42.

The square root of 45379581 is about 6736.4368177843. The cubic root of 45379581 is about 356.6866272153.

The spelling of 45379581 in words is "forty-five million, three hundred seventy-nine thousand, five hundred eighty-one".