147672157 has 2 divisors, whose sum is σ = 147672158. Its totient is φ = 147672156.

The previous prime is 147672131. The next prime is 147672179. The reversal of 147672157 is 751276741.

It is a happy number.

147672157 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., 93296281 + 54375876 = 9659^2 + 7374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147672157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147672197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73836078 + 73836079.

It is an arithmetic number, because the mean of its divisors is an integer number (73836079).

Almost surely, 2^147672157 is an apocalyptic number.

It is an amenable number.

147672157 is a deficient number, since it is larger than the sum of its proper divisors (1).

147672157 is an equidigital number, since it uses as much as digits as its factorization.

147672157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82320, while the sum is 40.

The square root of 147672157 is about 12152.0433261242. The cubic root of 147672157 is about 528.5663843513.

The spelling of 147672157 in words is "one hundred forty-seven million, six hundred seventy-two thousand, one hundred fifty-seven".