158481273 has 8 divisors (see below), whose sum is σ = 216222688. Its totient is φ = 103197024.

The previous prime is 158481263. The next prime is 158481283. The reversal of 158481273 is 372184851.

It is an interprime number because it is at equal distance from previous prime (158481263) and next prime (158481283).

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

It is not a de Polignac number, because 158481273 - 2²⁰ = 157432697 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (158481203) 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, 614140 + ... + 614397.

It is an arithmetic number, because the mean of its divisors is an integer number (27027836).

Almost surely, 2^158481273 is an apocalyptic number.

It is an amenable number.

158481273 is a deficient number, since it is larger than the sum of its proper divisors (57741415).

158481273 is a wasteful number, since it uses less digits than its factorization.

158481273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228583.

The product of its digits is 53760, while the sum is 39.

The square root of 158481273 is about 12588.9345458621. The cubic root of 158481273 is about 541.1603682913.

The spelling of 158481273 in words is "one hundred fifty-eight million, four hundred eighty-one thousand, two hundred seventy-three".