45171538 has 8 divisors (see below), whose sum is σ = 68173488. Its totient is φ = 22447044.

The previous prime is 45171527. The next prime is 45171541. The reversal of 45171538 is 83517154.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68956 + ... + 69607.

It is an arithmetic number, because the mean of its divisors is an integer number (8521686).

Almost surely, 2^45171538 is an apocalyptic number.

45171538 is a deficient number, since it is larger than the sum of its proper divisors (23001950).

45171538 is a wasteful number, since it uses less digits than its factorization.

45171538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138728.

The product of its digits is 16800, while the sum is 34.

The square root of 45171538 is about 6720.9774586737. The cubic root of 45171538 is about 356.1407146881.

The spelling of 45171538 in words is "forty-five million, one hundred seventy-one thousand, five hundred thirty-eight".