147285857 has 2 divisors, whose sum is σ = 147285858. Its totient is φ = 147285856.

The previous prime is 147285811. The next prime is 147285871. The reversal of 147285857 is 758582741.

147285857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109327936 + 37957921 = 10456^2 + 6161^2 .

It is a cyclic number.

It is not a de Polignac number, because 147285857 - 2¹⁸ = 147023713 is a prime.

It is not a weakly prime, because it can be changed into another prime (147285157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73642928 + 73642929.

It is an arithmetic number, because the mean of its divisors is an integer number (73642929).

Almost surely, 2^147285857 is an apocalyptic number.

It is an amenable number.

147285857 is a deficient number, since it is larger than the sum of its proper divisors (1).

147285857 is an equidigital number, since it uses as much as digits as its factorization.

147285857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 627200, while the sum is 47.

The square root of 147285857 is about 12136.1384715238. The cubic root of 147285857 is about 528.1050843511.

The spelling of 147285857 in words is "one hundred forty-seven million, two hundred eighty-five thousand, eight hundred fifty-seven".