147445928 has 32 divisors (see below), whose sum is σ = 332587200. Its totient is φ = 59864832.

The previous prime is 147445927. The next prime is 147445957. The reversal of 147445928 is 829544741.

It is not an unprimeable number, because it can be changed into a prime (147445927) 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, 68225 + ... + 70352.

It is an arithmetic number, because the mean of its divisors is an integer number (10393350).

Almost surely, 2^147445928 is an apocalyptic number.

It is an amenable number.

147445928 is an abundant number, since it is smaller than the sum of its proper divisors (185141272).

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

147445928 is a wasteful number, since it uses less digits than its factorization.

147445928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138609 (or 138605 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 147445928 is about 12142.7314884255. The cubic root of 147445928 is about 528.2963308270.

The spelling of 147445928 in words is "one hundred forty-seven million, four hundred forty-five thousand, nine hundred twenty-eight".