158190959 has 2 divisors, whose sum is σ = 158190960. Its totient is φ = 158190958.

The previous prime is 158190887. The next prime is 158190961. The reversal of 158190959 is 959091851.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158190959 is a prime.

Together with 158190961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158192959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79095479 + 79095480.

It is an arithmetic number, because the mean of its divisors is an integer number (79095480).

Almost surely, 2^158190959 is an apocalyptic number.

158190959 is a deficient number, since it is larger than the sum of its proper divisors (1).

158190959 is an equidigital number, since it uses as much as digits as its factorization.

158190959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 47.

The square root of 158190959 is about 12577.3987374178. The cubic root of 158190959 is about 540.8297246811.

The spelling of 158190959 in words is "one hundred fifty-eight million, one hundred ninety thousand, nine hundred fifty-nine".