45573891 has 8 divisors (see below), whose sum is σ = 66289344. Its totient is φ = 27620520.

The previous prime is 45573887. The next prime is 45573943. The reversal of 45573891 is 19837554.

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

It is not a de Polignac number, because 45573891 - 2² = 45573887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45577891) 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, 690481 + ... + 690546.

It is an arithmetic number, because the mean of its divisors is an integer number (8286168).

Almost surely, 2^45573891 is an apocalyptic number.

45573891 is a deficient number, since it is larger than the sum of its proper divisors (20715453).

45573891 is a wasteful number, since it uses less digits than its factorization.

45573891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381041.

The product of its digits is 151200, while the sum is 42.

The square root of 45573891 is about 6750.8437250465. The cubic root of 45573891 is about 357.1949989623.

It can be divided in two parts, 45573 and 891, that added together give a palindrome (46464).

The spelling of 45573891 in words is "forty-five million, five hundred seventy-three thousand, eight hundred ninety-one".