158090 has 8 divisors (see below), whose sum is σ = 284580. Its totient is φ = 63232.

The previous prime is 158077. The next prime is 158113. The reversal of 158090 is 90851.

It can be written as a sum of positive squares in 2 ways, for example, as 137641 + 20449 = 371^2 + 143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7895 + ... + 7914.

2¹⁵⁸⁰⁹⁰ is an apocalyptic number.

158090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158090 is a deficient number, since it is larger than the sum of its proper divisors (126490).

158090 is a wasteful number, since it uses less digits than its factorization.

158090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15816.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 158090 is about 397.6053319562. The cubic root of 158090 is about 54.0714645943.

The spelling of 158090 in words is "one hundred fifty-eight thousand, ninety".