158102801 has 2 divisors, whose sum is σ = 158102802. Its totient is φ = 158102800.

The previous prime is 158102731. The next prime is 158102803. The reversal of 158102801 is 108201851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112890625 + 45212176 = 10625^2 + 6724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158102801 is a prime.

Together with 158102803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158102803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79051400 + 79051401.

It is an arithmetic number, because the mean of its divisors is an integer number (79051401).

Almost surely, 2^158102801 is an apocalyptic number.

It is an amenable number.

158102801 is a deficient number, since it is larger than the sum of its proper divisors (1).

158102801 is an equidigital number, since it uses as much as digits as its factorization.

158102801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 158102801 is about 12573.8936292622. The cubic root of 158102801 is about 540.7292399530.

The spelling of 158102801 in words is "one hundred fifty-eight million, one hundred two thousand, eight hundred one".