158376649 has 2 divisors, whose sum is σ = 158376650. Its totient is φ = 158376648.

The previous prime is 158376637. The next prime is 158376671. The reversal of 158376649 is 946673851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154554624 + 3822025 = 12432^2 + 1955^2 .

It is a cyclic number.

It is not a de Polignac number, because 158376649 - 2¹⁵ = 158343881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158376149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79188324 + 79188325.

It is an arithmetic number, because the mean of its divisors is an integer number (79188325).

Almost surely, 2^158376649 is an apocalyptic number.

It is an amenable number.

158376649 is a deficient number, since it is larger than the sum of its proper divisors (1).

158376649 is an equidigital number, since it uses as much as digits as its factorization.

158376649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 158376649 is about 12584.7784644784. The cubic root of 158376649 is about 541.0412567920.

The spelling of 158376649 in words is "one hundred fifty-eight million, three hundred seventy-six thousand, six hundred forty-nine".