45931645 has 8 divisors (see below), whose sum is σ = 58019040. Its totient is φ = 34811280.

The previous prime is 45931631. The next prime is 45931663. The reversal of 45931645 is 54613954.

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

It is not a de Polignac number, because 45931645 - 2¹³ = 45923453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241651 + ... + 241840.

It is an arithmetic number, because the mean of its divisors is an integer number (7252380).

Almost surely, 2^45931645 is an apocalyptic number.

It is an amenable number.

45931645 is a deficient number, since it is larger than the sum of its proper divisors (12087395).

45931645 is a wasteful number, since it uses less digits than its factorization.

45931645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483515.

The product of its digits is 64800, while the sum is 37.

The square root of 45931645 is about 6777.2889122421. The cubic root of 45931645 is about 358.1272214115.

It can be divided in two parts, 459316 and 45, that added together give a triangular number (459361 = T₉₅₈).

The spelling of 45931645 in words is "forty-five million, nine hundred thirty-one thousand, six hundred forty-five".