147156557 has 2 divisors, whose sum is σ = 147156558. Its totient is φ = 147156556.

The previous prime is 147156547. The next prime is 147156587. The reversal of 147156557 is 755651741.

147156557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107453956 + 39702601 = 10366^2 + 6301^2 .

It is a cyclic number.

It is not a de Polignac number, because 147156557 - 2¹² = 147152461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147156547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73578278 + 73578279.

It is an arithmetic number, because the mean of its divisors is an integer number (73578279).

Almost surely, 2^147156557 is an apocalyptic number.

It is an amenable number.

147156557 is a deficient number, since it is larger than the sum of its proper divisors (1).

147156557 is an equidigital number, since it uses as much as digits as its factorization.

147156557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147000, while the sum is 41.

The square root of 147156557 is about 12130.8102367484. The cubic root of 147156557 is about 527.9505006493.

The spelling of 147156557 in words is "one hundred forty-seven million, one hundred fifty-six thousand, five hundred fifty-seven".