158473 has 4 divisors (see below), whose sum is σ = 181120. Its totient is φ = 135828.

The previous prime is 158449. The next prime is 158489. The reversal of 158473 is 374851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-158473 is a prime.

It is a super-2 number, since 2×158473² = 50227383458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11313 + ... + 11326.

It is an arithmetic number, because the mean of its divisors is an integer number (45280).

2¹⁵⁸⁴⁷³ is an apocalyptic number.

It is an amenable number.

158473 is a deficient number, since it is larger than the sum of its proper divisors (22647).

158473 is an equidigital number, since it uses as much as digits as its factorization.

158473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22646.

The product of its digits is 3360, while the sum is 28.

The square root of 158473 is about 398.0866739794. The cubic root of 158473 is about 54.1150951621.

The spelling of 158473 in words is "one hundred fifty-eight thousand, four hundred seventy-three".