158489377 has 2 divisors, whose sum is σ = 158489378. Its totient is φ = 158489376.

The previous prime is 158489369. The next prime is 158489411. The reversal of 158489377 is 773984851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123632161 + 34857216 = 11119^2 + 5904^2 .

It is a cyclic number.

It is not a de Polignac number, because 158489377 - 2³ = 158489369 is a prime.

It is not a weakly prime, because it can be changed into another prime (158489327) 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, 79244688 + 79244689.

It is an arithmetic number, because the mean of its divisors is an integer number (79244689).

Almost surely, 2^158489377 is an apocalyptic number.

It is an amenable number.

158489377 is a deficient number, since it is larger than the sum of its proper divisors (1).

158489377 is an equidigital number, since it uses as much as digits as its factorization.

158489377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 52.

The square root of 158489377 is about 12589.2564117187. The cubic root of 158489377 is about 541.1695922809.

The spelling of 158489377 in words is "one hundred fifty-eight million, four hundred eighty-nine thousand, three hundred seventy-seven".