158553 has 12 divisors (see below), whose sum is σ = 232960. Its totient is φ = 103896.

The previous prime is 158551. The next prime is 158563. The reversal of 158553 is 355851.

158553 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 158553 - 2¹ = 158551 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (158551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 600 + ... + 822.

2¹⁵⁸⁵⁵³ is an apocalyptic number.

It is an amenable number.

158553 is a deficient number, since it is larger than the sum of its proper divisors (74407).

158553 is a wasteful number, since it uses less digits than its factorization.

158553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 305 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 158553 is about 398.1871419320. The cubic root of 158553 is about 54.1241997190.

The spelling of 158553 in words is "one hundred fifty-eight thousand, five hundred fifty-three".