45235497991 has 8 divisors (see below), whose sum is σ = 45551348640. Its totient is φ = 44920272672.

The previous prime is 45235497971. The next prime is 45235498013. The reversal of 45235497991 is 19979453254.

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

It is a cyclic number.

It is not a de Polignac number, because 45235497991 - 2⁵ = 45235497959 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 (45235497971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10680 + ... + 300973.

It is an arithmetic number, because the mean of its divisors is an integer number (5693918580).

Almost surely, 2^45235497991 is an apocalyptic number.

45235497991 is a deficient number, since it is larger than the sum of its proper divisors (315850649).

45235497991 is a wasteful number, since it uses less digits than its factorization.

45235497991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312665.

The product of its digits is 12247200, while the sum is 58.

The spelling of 45235497991 in words is "forty-five billion, two hundred thirty-five million, four hundred ninety-seven thousand, nine hundred ninety-one".