45571791 has 8 divisors (see below), whose sum is σ = 61241344. Its totient is φ = 30141720.

The previous prime is 45571769. The next prime is 45571793. The reversal of 45571791 is 19717554.

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

It is not a de Polignac number, because 45571791 - 2⁶ = 45571727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45571793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59425 + ... + 60186.

It is an arithmetic number, because the mean of its divisors is an integer number (7655168).

Almost surely, 2^45571791 is an apocalyptic number.

45571791 is a deficient number, since it is larger than the sum of its proper divisors (15669553).

45571791 is a wasteful number, since it uses less digits than its factorization.

45571791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119741.

The product of its digits is 44100, while the sum is 39.

The square root of 45571791 is about 6750.6881871406. The cubic root of 45571791 is about 357.1895124802.

The spelling of 45571791 in words is "forty-five million, five hundred seventy-one thousand, seven hundred ninety-one".