158115346 has 4 divisors (see below), whose sum is σ = 237173022. Its totient is φ = 79057672.

The previous prime is 158115329. The next prime is 158115361. The reversal of 158115346 is 643511851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 643511851 = 41 ⋅15695411.

It can be written as a sum of positive squares in only one way, i.e., 111534721 + 46580625 = 10561^2 + 6825^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39528835 + ... + 39528838.

Almost surely, 2^158115346 is an apocalyptic number.

158115346 is a deficient number, since it is larger than the sum of its proper divisors (79057676).

158115346 is an equidigital number, since it uses as much as digits as its factorization.

158115346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79057675.

The product of its digits is 14400, while the sum is 34.

The square root of 158115346 is about 12574.3924704138. The cubic root of 158115346 is about 540.7435413419.

The spelling of 158115346 in words is "one hundred fifty-eight million, one hundred fifteen thousand, three hundred forty-six".