158389055 has 8 divisors (see below), whose sum is σ = 207345744. Its totient is φ = 115192000.

The previous prime is 158389031. The next prime is 158389067. The reversal of 158389055 is 550983851.

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

It is not a de Polignac number, because 158389055 - 2⁶ = 158388991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158388997 and 158389015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439846 + ... + 1439955.

It is an arithmetic number, because the mean of its divisors is an integer number (25918218).

Almost surely, 2^158389055 is an apocalyptic number.

158389055 is a deficient number, since it is larger than the sum of its proper divisors (48956689).

158389055 is a wasteful number, since it uses less digits than its factorization.

158389055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879817.

The product of its (nonzero) digits is 216000, while the sum is 44.

The square root of 158389055 is about 12585.2713518621. The cubic root of 158389055 is about 541.0553834169.

The spelling of 158389055 in words is "one hundred fifty-eight million, three hundred eighty-nine thousand, fifty-five".