45128022 has 16 divisors (see below), whose sum is σ = 90412032. Its totient is φ = 15016680.

The previous prime is 45127993. The next prime is 45128023. The reversal of 45128022 is 22082154.

It is a junction number, because it is equal to n+sod(n) for n = 45127983 and 45128001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45128023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2554 + ... + 9837.

It is an arithmetic number, because the mean of its divisors is an integer number (5650752).

Almost surely, 2^45128022 is an apocalyptic number.

45128022 is an abundant number, since it is smaller than the sum of its proper divisors (45284010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45128022 is a wasteful number, since it uses less digits than its factorization.

45128022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13003.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 45128022 is about 6717.7393518951. The cubic root of 45128022 is about 356.0263152285.

The spelling of 45128022 in words is "forty-five million, one hundred twenty-eight thousand, twenty-two".