45555464191 has 4 divisors (see below), whose sum is σ = 45556003584. Its totient is φ = 45554924800.

The previous prime is 45555464113. The next prime is 45555464197. The reversal of 45555464191 is 19146455554.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45555464191 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 (45555464197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112450 + ... + 322111.

It is an arithmetic number, because the mean of its divisors is an integer number (11389000896).

Almost surely, 2^45555464191 is an apocalyptic number.

45555464191 is a deficient number, since it is larger than the sum of its proper divisors (539393).

45555464191 is a wasteful number, since it uses less digits than its factorization.

45555464191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539392.

The product of its digits is 2160000, while the sum is 49.

The spelling of 45555464191 in words is "forty-five billion, five hundred fifty-five million, four hundred sixty-four thousand, one hundred ninety-one".