158733061 has 2 divisors, whose sum is σ = 158733062. Its totient is φ = 158733060.

The previous prime is 158733023. The next prime is 158733079. The reversal of 158733061 is 160337851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127260961 + 31472100 = 11281^2 + 5610^2 .

It is a cyclic number.

It is not a de Polignac number, because 158733061 - 2²⁵ = 125178629 is a prime.

It is equal to p_8907280 and since 158733061 and 8907280 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158733661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79366530 + 79366531.

It is an arithmetic number, because the mean of its divisors is an integer number (79366531).

Almost surely, 2^158733061 is an apocalyptic number.

It is an amenable number.

158733061 is a deficient number, since it is larger than the sum of its proper divisors (1).

158733061 is an equidigital number, since it uses as much as digits as its factorization.

158733061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 158733061 is about 12598.9309467113. The cubic root of 158733061 is about 541.4468071615.

The spelling of 158733061 in words is "one hundred fifty-eight million, seven hundred thirty-three thousand, sixty-one".