147285864 has 80 divisors (see below), whose sum is σ = 450061920. Its totient is φ = 44629920.

The previous prime is 147285857. The next prime is 147285871. The reversal of 147285864 is 468582741.

147285864 is a `hidden beast` number, since 1 + 47 + 28 + 586 + 4 = 666.

147285864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (147285857) and next prime (147285871).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3204 + ... + 17459.

It is an arithmetic number, because the mean of its divisors is an integer number (5625774).

Almost surely, 2^147285864 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 147285864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225030960).

147285864 is an abundant number, since it is smaller than the sum of its proper divisors (302776056).

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

147285864 is a wasteful number, since it uses less digits than its factorization.

147285864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20692 (or 20679 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 147285864 is about 12136.1387599187. The cubic root of 147285864 is about 528.1050927174.

The spelling of 147285864 in words is "one hundred forty-seven million, two hundred eighty-five thousand, eight hundred sixty-four".