158320034 has 4 divisors (see below), whose sum is σ = 237480054. Its totient is φ = 79160016.

The previous prime is 158320021. The next prime is 158320039. The reversal of 158320034 is 430023851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430023851 = 173 ⋅2485687.

It can be written as a sum of positive squares in only one way, i.e., 124389409 + 33930625 = 11153^2 + 5825^2 .

It is a super-2 number, since 2×158320034² = 50130466331522312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158319985 and 158320012.

It is not an unprimeable number, because it can be changed into a prime (158320039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39580007 + ... + 39580010.

Almost surely, 2^158320034 is an apocalyptic number.

158320034 is a deficient number, since it is larger than the sum of its proper divisors (79160020).

158320034 is an equidigital number, since it uses as much as digits as its factorization.

158320034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79160019.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 158320034 is about 12582.5289191005. The cubic root of 158320034 is about 540.9767803228.

Adding to 158320034 its reverse (430023851), we get a palindrome (588343885).

The spelling of 158320034 in words is "one hundred fifty-eight million, three hundred twenty thousand, thirty-four".