45531382 has 8 divisors (see below), whose sum is σ = 73550736. Its totient is φ = 21014472.

The previous prime is 45531379. The next prime is 45531397. The reversal of 45531382 is 28313554.

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, 875578 + ... + 875629.

It is an arithmetic number, because the mean of its divisors is an integer number (9193842).

Almost surely, 2^45531382 is an apocalyptic number.

45531382 is a deficient number, since it is larger than the sum of its proper divisors (28019354).

45531382 is a wasteful number, since it uses less digits than its factorization.

45531382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751222.

The product of its digits is 14400, while the sum is 31.

The square root of 45531382 is about 6747.6945692585. The cubic root of 45531382 is about 357.0839066587.

The spelling of 45531382 in words is "forty-five million, five hundred thirty-one thousand, three hundred eighty-two".