158495137 has 2 divisors, whose sum is σ = 158495138. Its totient is φ = 158495136.

The previous prime is 158495123. The next prime is 158495143. The reversal of 158495137 is 731594851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117483921 + 41011216 = 10839^2 + 6404^2 .

It is a cyclic number.

It is not a de Polignac number, because 158495137 - 2²³ = 150106529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158495093 and 158495102.

It is not a weakly prime, because it can be changed into another prime (158495107) 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, 79247568 + 79247569.

It is an arithmetic number, because the mean of its divisors is an integer number (79247569).

Almost surely, 2^158495137 is an apocalyptic number.

It is an amenable number.

158495137 is a deficient number, since it is larger than the sum of its proper divisors (1).

158495137 is an equidigital number, since it uses as much as digits as its factorization.

158495137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 43.

The square root of 158495137 is about 12589.4851761301. The cubic root of 158495137 is about 541.1761481338.

It can be divided in two parts, 1584 and 95137, that added together give a square (96721 = 311²).

The spelling of 158495137 in words is "one hundred fifty-eight million, four hundred ninety-five thousand, one hundred thirty-seven".