45811438 has 8 divisors (see below), whose sum is σ = 69114888. Its totient is φ = 22773144.

The previous prime is 45811399. The next prime is 45811453. The reversal of 45811438 is 83411854.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65856 + ... + 66547.

It is an arithmetic number, because the mean of its divisors is an integer number (8639361).

Almost surely, 2^45811438 is an apocalyptic number.

45811438 is a deficient number, since it is larger than the sum of its proper divisors (23303450).

45811438 is a wasteful number, since it uses less digits than its factorization.

45811438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132578.

The product of its digits is 15360, while the sum is 34.

The square root of 45811438 is about 6768.4147331558. The cubic root of 45811438 is about 357.8145320645.

The spelling of 45811438 in words is "forty-five million, eight hundred eleven thousand, four hundred thirty-eight".