147715157 has 2 divisors, whose sum is σ = 147715158. Its totient is φ = 147715156.

The previous prime is 147715153. The next prime is 147715171. The reversal of 147715157 is 751517741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85636516 + 62078641 = 9254^2 + 7879^2 .

It is a cyclic number.

It is not a de Polignac number, because 147715157 - 2² = 147715153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147715157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147715153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73857578 + 73857579.

It is an arithmetic number, because the mean of its divisors is an integer number (73857579).

Almost surely, 2^147715157 is an apocalyptic number.

It is an amenable number.

147715157 is a deficient number, since it is larger than the sum of its proper divisors (1).

147715157 is an equidigital number, since it uses as much as digits as its factorization.

147715157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34300, while the sum is 38.

The square root of 147715157 is about 12153.8124471295. The cubic root of 147715157 is about 528.6176830057.

The spelling of 147715157 in words is "one hundred forty-seven million, seven hundred fifteen thousand, one hundred fifty-seven".