45891745 has 8 divisors (see below), whose sum is σ = 57968640. Its totient is φ = 34781040.

The previous prime is 45891737. The next prime is 45891757. The reversal of 45891745 is 54719854.

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

It is not a de Polignac number, because 45891745 - 2³ = 45891737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241441 + ... + 241630.

It is an arithmetic number, because the mean of its divisors is an integer number (7246080).

Almost surely, 2^45891745 is an apocalyptic number.

It is an amenable number.

45891745 is a deficient number, since it is larger than the sum of its proper divisors (12076895).

45891745 is a wasteful number, since it uses less digits than its factorization.

45891745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483095.

The product of its digits is 201600, while the sum is 43.

The square root of 45891745 is about 6774.3446177472. The cubic root of 45891745 is about 358.0234917951.

The spelling of 45891745 in words is "forty-five million, eight hundred ninety-one thousand, seven hundred forty-five".