45450042022 has 72 divisors (see below), whose sum is σ = 87371874072. Its totient is φ = 17666953920.

The previous prime is 45450041953. The next prime is 45450042023. The reversal of 45450042022 is 22024005454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45450042023) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5414913 + ... + 5423299.

It is an arithmetic number, because the mean of its divisors is an integer number (1213498251).

Almost surely, 2^45450042022 is an apocalyptic number.

45450042022 is a deficient number, since it is larger than the sum of its proper divisors (41921832050).

45450042022 is a wasteful number, since it uses less digits than its factorization.

45450042022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8882 (or 8864 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

Adding to 45450042022 its reverse (22024005454), we get a palindrome (67474047476).

The spelling of 45450042022 in words is "forty-five billion, four hundred fifty million, forty-two thousand, twenty-two".