45045423022 has 64 divisors (see below), whose sum is σ = 77842114560. Its totient is φ = 19408204800.

The previous prime is 45045422993. The next prime is 45045423023. The reversal of 45045423022 is 22032454054.

It is a super-2 number, since 2×45045423022² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45045423023) 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, 26173122 + ... + 26174842.

It is an arithmetic number, because the mean of its divisors is an integer number (1216283040).

Almost surely, 2^45045423022 is an apocalyptic number.

45045423022 is a deficient number, since it is larger than the sum of its proper divisors (32796691538).

45045423022 is a wasteful number, since it uses less digits than its factorization.

45045423022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097.

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 45045423022 its reverse (22032454054), we get a palindrome (67077877076).

The spelling of 45045423022 in words is "forty-five billion, forty-five million, four hundred twenty-three thousand, twenty-two".