158413321 has 12 divisors (see below), whose sum is σ = 174802432. Its totient is φ = 143451000.

The previous prime is 158413313. The next prime is 158413331. The reversal of 158413321 is 123314851.

It is a happy number.

It is not a de Polignac number, because 158413321 - 2³ = 158413313 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158413321.

It is not an unprimeable number, because it can be changed into a prime (158413301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30376 + ... + 35206.

Almost surely, 2^158413321 is an apocalyptic number.

158413321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

158413321 is a deficient number, since it is larger than the sum of its proper divisors (16389111).

158413321 is a wasteful number, since it uses less digits than its factorization.

158413321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124 (or 5113 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 158413321 is about 12586.2353783806. The cubic root of 158413321 is about 541.0830128082.

The spelling of 158413321 in words is "one hundred fifty-eight million, four hundred thirteen thousand, three hundred twenty-one".