158949311 has 2 divisors, whose sum is σ = 158949312. Its totient is φ = 158949310.

The previous prime is 158949281. The next prime is 158949317. The reversal of 158949311 is 113949851.

It is a strong prime.

It is an emirp because it is prime and its reverse (113949851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158949311 - 2¹⁰ = 158948287 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 (158949317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79474655 + 79474656.

It is an arithmetic number, because the mean of its divisors is an integer number (79474656).

Almost surely, 2^158949311 is an apocalyptic number.

158949311 is a deficient number, since it is larger than the sum of its proper divisors (1).

158949311 is an equidigital number, since it uses as much as digits as its factorization.

158949311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 41.

The square root of 158949311 is about 12607.5101031092. The cubic root of 158949311 is about 541.6925756233.

The spelling of 158949311 in words is "one hundred fifty-eight million, nine hundred forty-nine thousand, three hundred eleven".