158919373 has 2 divisors, whose sum is σ = 158919374. Its totient is φ = 158919372.

The previous prime is 158919367. The next prime is 158919413. The reversal of 158919373 is 373919851.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134977924 + 23941449 = 11618^2 + 4893^2 .

It is an emirp because it is prime and its reverse (373919851) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158919373 is a prime.

It is a super-2 number, since 2×158919373² = 50510734229426258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158919473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79459686 + 79459687.

It is an arithmetic number, because the mean of its divisors is an integer number (79459687).

Almost surely, 2^158919373 is an apocalyptic number.

It is an amenable number.

158919373 is a deficient number, since it is larger than the sum of its proper divisors (1).

158919373 is an equidigital number, since it uses as much as digits as its factorization.

158919373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 46.

The square root of 158919373 is about 12606.3227390068. The cubic root of 158919373 is about 541.6585643390.

The spelling of 158919373 in words is "one hundred fifty-eight million, nine hundred nineteen thousand, three hundred seventy-three".