158158553 has 8 divisors (see below), whose sum is σ = 183041280. Its totient is φ = 133848000.

The previous prime is 158158537. The next prime is 158158573. The reversal of 158158553 is 355851851.

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 158158553 - 2⁴ = 158158537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158158553.

It is not an unprimeable number, because it can be changed into a prime (158158573) 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, 142448 + ... + 143553.

It is an arithmetic number, because the mean of its divisors is an integer number (22880160).

Almost surely, 2^158158553 is an apocalyptic number.

It is an amenable number.

158158553 is a deficient number, since it is larger than the sum of its proper divisors (24882727).

158158553 is an equidigital number, since it uses as much as digits as its factorization.

158158553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286087.

The product of its digits is 120000, while the sum is 41.

The square root of 158158553 is about 12576.1104082304. The cubic root of 158158553 is about 540.7927918394.

The spelling of 158158553 in words is "one hundred fifty-eight million, one hundred fifty-eight thousand, five hundred fifty-three".