158083220 has 12 divisors (see below), whose sum is σ = 331974804. Its totient is φ = 63233280.

The previous prime is 158083207. The next prime is 158083279. The reversal of 158083220 is 22380851.

It can be written as a sum of positive squares in 2 ways, for example, as 46485124 + 111598096 = 6818^2 + 10564^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3952061 + ... + 3952100.

It is an arithmetic number, because the mean of its divisors is an integer number (27664567).

Almost surely, 2^158083220 is an apocalyptic number.

158083220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158083220 is an abundant number, since it is smaller than the sum of its proper divisors (173891584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158083220 is a wasteful number, since it uses less digits than its factorization.

158083220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7904170 (or 7904168 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 158083220 is about 12573.1149680578. The cubic root of 158083220 is about 540.7069159623.

The spelling of 158083220 in words is "one hundred fifty-eight million, eighty-three thousand, two hundred twenty".