158226899 has 2 divisors, whose sum is σ = 158226900. Its totient is φ = 158226898.

The previous prime is 158226881. The next prime is 158226919. The reversal of 158226899 is 998622851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 158226899 - 2²⁰ = 157178323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158226829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79113449 + 79113450.

It is an arithmetic number, because the mean of its divisors is an integer number (79113450).

Almost surely, 2^158226899 is an apocalyptic number.

158226899 is a deficient number, since it is larger than the sum of its proper divisors (1).

158226899 is an equidigital number, since it uses as much as digits as its factorization.

158226899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 50.

The square root of 158226899 is about 12578.8274095800. The cubic root of 158226899 is about 540.8706792940.

The spelling of 158226899 in words is "one hundred fifty-eight million, two hundred twenty-six thousand, eight hundred ninety-nine".