158055543 has 10 divisors (see below), whose sum is σ = 236107784. Its totient is φ = 105370308.

The previous prime is 158055529. The next prime is 158055553. The reversal of 158055543 is 345550851.

It is a happy number.

It is not a de Polignac number, because 158055543 - 2²⁴ = 141278327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158055498 and 158055507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158055503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 975571 + ... + 975732.

Almost surely, 2^158055543 is an apocalyptic number.

158055543 is a deficient number, since it is larger than the sum of its proper divisors (78052241).

158055543 is an equidigital number, since it uses as much as digits as its factorization.

158055543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951315 (or 1951306 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 158055543 is about 12572.0142777520. The cubic root of 158055543 is about 540.6753587046.

The spelling of 158055543 in words is "one hundred fifty-eight million, fifty-five thousand, five hundred forty-three".