158416231 has 8 divisors (see below), whose sum is σ = 163685504. Its totient is φ = 153156960.

The previous prime is 158416211. The next prime is 158416259. The reversal of 158416231 is 132614851.

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 158416231 - 2¹¹ = 158414183 is a prime.

It is a super-2 number, since 2×158416231² = 50191404488490722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 158416193 and 158416202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158416201) 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, 43285 + ... + 46801.

It is an arithmetic number, because the mean of its divisors is an integer number (20460688).

Almost surely, 2^158416231 is an apocalyptic number.

158416231 is a deficient number, since it is larger than the sum of its proper divisors (5269273).

158416231 is a wasteful number, since it uses less digits than its factorization.

158416231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001.

The product of its digits is 5760, while the sum is 31.

The square root of 158416231 is about 12586.3509803279. The cubic root of 158416231 is about 541.0863259595.

The spelling of 158416231 in words is "one hundred fifty-eight million, four hundred sixteen thousand, two hundred thirty-one".