158018207 has 2 divisors, whose sum is σ = 158018208. Its totient is φ = 158018206.

The previous prime is 158018173. The next prime is 158018219. The reversal of 158018207 is 702810851.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158018207 - 2⁶ = 158018143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158018297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79009103 + 79009104.

It is an arithmetic number, because the mean of its divisors is an integer number (79009104).

Almost surely, 2^158018207 is an apocalyptic number.

158018207 is a deficient number, since it is larger than the sum of its proper divisors (1).

158018207 is an equidigital number, since it uses as much as digits as its factorization.

158018207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 158018207 is about 12570.5293046872. The cubic root of 158018207 is about 540.6327824378.

The spelling of 158018207 in words is "one hundred fifty-eight million, eighteen thousand, two hundred seven".