158117482 has 4 divisors (see below), whose sum is σ = 237176226. Its totient is φ = 79058740.

The previous prime is 158117383. The next prime is 158117501. The reversal of 158117482 is 284711851.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 150283081 + 7834401 = 12259^2 + 2799^2 .

It is a super-2 number, since 2×158117482² = 50002276228040648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39529369 + ... + 39529372.

Almost surely, 2^158117482 is an apocalyptic number.

158117482 is a deficient number, since it is larger than the sum of its proper divisors (79058744).

158117482 is an equidigital number, since it uses as much as digits as its factorization.

158117482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79058743.

The product of its digits is 17920, while the sum is 37.

The square root of 158117482 is about 12574.4774046479. The cubic root of 158117482 is about 540.7459763217.

The spelling of 158117482 in words is "one hundred fifty-eight million, one hundred seventeen thousand, four hundred eighty-two".