156061057 has 2 divisors, whose sum is σ = 156061058. Its totient is φ = 156061056.

The previous prime is 156061043. The next prime is 156061063. The reversal of 156061057 is 750160651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141991056 + 14070001 = 11916^2 + 3751^2 .

It is an emirp because it is prime and its reverse (750160651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 156061057 - 2¹¹ = 156059009 is a prime.

It is not a weakly prime, because it can be changed into another prime (156061357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78030528 + 78030529.

It is an arithmetic number, because the mean of its divisors is an integer number (78030529).

Almost surely, 2^156061057 is an apocalyptic number.

It is an amenable number.

156061057 is a deficient number, since it is larger than the sum of its proper divisors (1).

156061057 is an equidigital number, since it uses as much as digits as its factorization.

156061057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 156061057 is about 12492.4399938523. The cubic root of 156061057 is about 538.3914834183.

The spelling of 156061057 in words is "one hundred fifty-six million, sixty-one thousand, fifty-seven".