147708081 has 6 divisors (see below), whose sum is σ = 213356130. Its totient is φ = 98472048.

The previous prime is 147708079. The next prime is 147708089. The reversal of 147708081 is 180807741.

147708081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 80730225 + 66977856 = 8985^2 + 8184^2 .

It is not a de Polignac number, because 147708081 - 2¹ = 147708079 is a prime.

It is a super-2 number, since 2×147708081² = 43635354385405122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147708089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8205996 + ... + 8206013.

It is an arithmetic number, because the mean of its divisors is an integer number (35559355).

Almost surely, 2^147708081 is an apocalyptic number.

It is an amenable number.

147708081 is a deficient number, since it is larger than the sum of its proper divisors (65648049).

147708081 is a wasteful number, since it uses less digits than its factorization.

147708081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16412015 (or 16412012 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 147708081 is about 12153.5213415701. The cubic root of 147708081 is about 528.6092420790.

The spelling of 147708081 in words is "one hundred forty-seven million, seven hundred eight thousand, eighty-one".