158421316 has 24 divisors (see below), whose sum is σ = 301896000. Its totient is φ = 72453024.

The previous prime is 158421301. The next prime is 158421323. The reversal of 158421316 is 613124851.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33736 + ... + 38143.

It is an arithmetic number, because the mean of its divisors is an integer number (12579000).

Almost surely, 2^158421316 is an apocalyptic number.

It is an amenable number.

158421316 is a deficient number, since it is larger than the sum of its proper divisors (143474684).

158421316 is a wasteful number, since it uses less digits than its factorization.

158421316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71931 (or 71929 counting only the distinct ones).

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

The square root of 158421316 is about 12586.5529832437. The cubic root of 158421316 is about 541.0921153380.

The spelling of 158421316 in words is "one hundred fifty-eight million, four hundred twenty-one thousand, three hundred sixteen".