158390 has 16 divisors (see below), whose sum is σ = 292032. Its totient is φ = 61824.

The previous prime is 158371. The next prime is 158393. The reversal of 158390 is 93851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302 + ... + 638.

It is an arithmetic number, because the mean of its divisors is an integer number (18252).

2¹⁵⁸³⁹⁰ is an apocalyptic number.

158390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158390 is a deficient number, since it is larger than the sum of its proper divisors (133642).

158390 is a wasteful number, since it uses less digits than its factorization.

158390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 158390 is about 397.9824116717. The cubic root of 158390 is about 54.1056459452.

The spelling of 158390 in words is "one hundred fifty-eight thousand, three hundred ninety".