128445604 has 12 divisors (see below), whose sum is σ = 256891264. Its totient is φ = 55048104.

The previous prime is 128445511. The next prime is 128445613. The reversal of 128445604 is 406544821.

128445604 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 128445604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293644 + ... + 2293699.

Almost surely, 2^128445604 is an apocalyptic number.

128445604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

128445604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128445604 is a wasteful number, since it uses less digits than its factorization.

128445604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587354 (or 4587352 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 128445604 is about 11333.3844900806. The cubic root of 128445604 is about 504.5525612317.

The spelling of 128445604 in words is "one hundred twenty-eight million, four hundred forty-five thousand, six hundred four".