45423121775 has 12 divisors (see below), whose sum is σ = 57037644000. Its totient is φ = 35878514880.

The previous prime is 45423121771. The next prime is 45423121789. The reversal of 45423121775 is 57712132454.

It is not a de Polignac number, because 45423121775 - 2² = 45423121771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45423121771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11497550 + ... + 11501499.

It is an arithmetic number, because the mean of its divisors is an integer number (4753137000).

Almost surely, 2^45423121775 is an apocalyptic number.

45423121775 is a deficient number, since it is larger than the sum of its proper divisors (11614522225).

45423121775 is a wasteful number, since it uses less digits than its factorization.

45423121775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22999138 (or 22999133 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The spelling of 45423121775 in words is "forty-five billion, four hundred twenty-three million, one hundred twenty-one thousand, seven hundred seventy-five".