147611957 has 6 divisors (see below), whose sum is σ = 149015958. Its totient is φ = 146221064.

The previous prime is 147611941. The next prime is 147611963. The reversal of 147611957 is 759116741.

It can be written as a sum of positive squares in only one way, i.e., 131079601 + 16532356 = 11449^2 + 4066^2 .

It is not a de Polignac number, because 147611957 - 2⁴ = 147611941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147611917) 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, 5003 + ... + 17895.

It is an arithmetic number, because the mean of its divisors is an integer number (24835993).

Almost surely, 2^147611957 is an apocalyptic number.

It is an amenable number.

147611957 is a deficient number, since it is larger than the sum of its proper divisors (1404001).

147611957 is an equidigital number, since it uses as much as digits as its factorization.

147611957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13107 (or 13000 counting only the distinct ones).

The product of its digits is 52920, while the sum is 41.

The square root of 147611957 is about 12149.5661239404. The cubic root of 147611957 is about 528.4945495026.

The spelling of 147611957 in words is "one hundred forty-seven million, six hundred eleven thousand, nine hundred fifty-seven".