158123149 has 8 divisors (see below), whose sum is σ = 168931040. Its totient is φ = 147563856.

The previous prime is 158123143. The next prime is 158123153. The reversal of 158123149 is 941321851.

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 158123149 - 2⁹ = 158122637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158123143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60834 + ... + 63379.

It is an arithmetic number, because the mean of its divisors is an integer number (21116380).

Almost surely, 2^158123149 is an apocalyptic number.

158123149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

158123149 is a deficient number, since it is larger than the sum of its proper divisors (10807891).

158123149 is a wasteful number, since it uses less digits than its factorization.

158123149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124299.

The product of its digits is 8640, while the sum is 34.

The square root of 158123149 is about 12574.7027400253. The cubic root of 158123149 is about 540.7524364356.

The spelling of 158123149 in words is "one hundred fifty-eight million, one hundred twenty-three thousand, one hundred forty-nine".