45964191 has 32 divisors (see below), whose sum is σ = 76220928. Its totient is φ = 23990400.

The previous prime is 45964169. The next prime is 45964223. The reversal of 45964191 is 19146954.

It is not a de Polignac number, because 45964191 - 2⁷ = 45964063 is a prime.

It is a super-2 number, since 2×45964191² = 4225413708568962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45964111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26740 + ... + 28406.

It is an arithmetic number, because the mean of its divisors is an integer number (2381904).

Almost surely, 2^45964191 is an apocalyptic number.

45964191 is a deficient number, since it is larger than the sum of its proper divisors (30256737).

45964191 is a wasteful number, since it uses less digits than its factorization.

45964191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791.

The product of its digits is 38880, while the sum is 39.

The square root of 45964191 is about 6779.6895946643. The cubic root of 45964191 is about 358.2117880661.

The spelling of 45964191 in words is "forty-five million, nine hundred sixty-four thousand, one hundred ninety-one".