45232191 has 12 divisors (see below), whose sum is σ = 68176368. Its totient is φ = 28843584.

The previous prime is 45232181. The next prime is 45232207. The reversal of 45232191 is 19123254.

45232191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45232191 - 2⁶ = 45232127 is a prime.

It is a super-2 number, since 2×45232191² = 4091902205320962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45232111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109050 + ... + 109463.

It is an arithmetic number, because the mean of its divisors is an integer number (5681364).

Almost surely, 2^45232191 is an apocalyptic number.

45232191 is a deficient number, since it is larger than the sum of its proper divisors (22944177).

45232191 is a wasteful number, since it uses less digits than its factorization.

45232191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218542 (or 218539 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 45232191 is about 6725.4881607211. The cubic root of 45232191 is about 356.3000432008.

The spelling of 45232191 in words is "forty-five million, two hundred thirty-two thousand, one hundred ninety-one".