158256061 has 2 divisors, whose sum is σ = 158256062. Its totient is φ = 158256060.

The previous prime is 158256053. The next prime is 158256071. The reversal of 158256061 is 160652851.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153908836 + 4347225 = 12406^2 + 2085^2 .

It is an emirp because it is prime and its reverse (160652851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158256061 - 2³ = 158256053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158256041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79128030 + 79128031.

It is an arithmetic number, because the mean of its divisors is an integer number (79128031).

Almost surely, 2^158256061 is an apocalyptic number.

It is an amenable number.

158256061 is a deficient number, since it is larger than the sum of its proper divisors (1).

158256061 is an equidigital number, since it uses as much as digits as its factorization.

158256061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 158256061 is about 12579.9865262249. The cubic root of 158256061 is about 540.9039056332.

The spelling of 158256061 in words is "one hundred fifty-eight million, two hundred fifty-six thousand, sixty-one".