147113081 has 2 divisors, whose sum is σ = 147113082. Its totient is φ = 147113080.

The previous prime is 147113077. The next prime is 147113111. The reversal of 147113081 is 180311741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134189056 + 12924025 = 11584^2 + 3595^2 .

It is a cyclic number.

It is not a de Polignac number, because 147113081 - 2² = 147113077 is a prime.

It is a super-2 number, since 2×147113081² = 43284517202625122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 147113081.

It is not a weakly prime, because it can be changed into another prime (147113041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73556540 + 73556541.

It is an arithmetic number, because the mean of its divisors is an integer number (73556541).

Almost surely, 2^147113081 is an apocalyptic number.

It is an amenable number.

147113081 is a deficient number, since it is larger than the sum of its proper divisors (1).

147113081 is an equidigital number, since it uses as much as digits as its factorization.

147113081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 147113081 is about 12129.0181383326. The cubic root of 147113081 is about 527.8985028830.

The spelling of 147113081 in words is "one hundred forty-seven million, one hundred thirteen thousand, eighty-one".