45451128 has 32 divisors (see below), whose sum is σ = 118569600. Its totient is φ = 14491488.

The previous prime is 45451127. The next prime is 45451163. The reversal of 45451128 is 82115454.

It is a junction number, because it is equal to n+sod(n) for n = 45451095 and 45451104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45451127) 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, 40618 + ... + 41721.

It is an arithmetic number, because the mean of its divisors is an integer number (3705300).

Almost surely, 2^45451128 is an apocalyptic number.

It is an amenable number.

45451128 is an abundant number, since it is smaller than the sum of its proper divisors (73118472).

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

45451128 is a wasteful number, since it uses less digits than its factorization.

45451128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82371 (or 82367 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 45451128 is about 6741.7451746562. The cubic root of 45451128 is about 356.8739835656.

The spelling of 45451128 in words is "forty-five million, four hundred fifty-one thousand, one hundred twenty-eight".