158263 has 8 divisors (see below), whose sum is σ = 188928. Its totient is φ = 129624.

The previous prime is 158261. The next prime is 158269. The reversal of 158263 is 362851.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 158263 - 2¹ = 158261 is a prime.

It is a Duffinian number.

158263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158261) 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, 331 + ... + 652.

It is an arithmetic number, because the mean of its divisors is an integer number (23616).

2¹⁵⁸²⁶³ is an apocalyptic number.

158263 is a deficient number, since it is larger than the sum of its proper divisors (30665).

158263 is an equidigital number, since it uses as much as digits as its factorization.

158263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013.

The product of its digits is 1440, while the sum is 25.

The square root of 158263 is about 397.8228248857. The cubic root of 158263 is about 54.0911811128.

The spelling of 158263 in words is "one hundred fifty-eight thousand, two hundred sixty-three".