45678128 has 80 divisors (see below), whose sum is σ = 99517440. Its totient is φ = 20217600.

The previous prime is 45678119. The next prime is 45678151. The reversal of 45678128 is 82187654.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348623 + ... + 348753.

It is an arithmetic number, because the mean of its divisors is an integer number (1243968).

Almost surely, 2^45678128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45678128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49758720).

45678128 is an abundant number, since it is smaller than the sum of its proper divisors (53839312).

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

45678128 is a wasteful number, since it uses less digits than its factorization.

45678128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 220 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 45678128 is about 6758.5596098577. The cubic root of 45678128 is about 357.4671181063.

The spelling of 45678128 in words is "forty-five million, six hundred seventy-eight thousand, one hundred twenty-eight".