158228380 has 24 divisors (see below), whose sum is σ = 333200448. Its totient is φ = 63115968.

The previous prime is 158228377. The next prime is 158228387. The reversal of 158228380 is 83822851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158228387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3439 + ... + 18118.

It is an arithmetic number, because the mean of its divisors is an integer number (13883352).

Almost surely, 2^158228380 is an apocalyptic number.

158228380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158228380 is an abundant number, since it is smaller than the sum of its proper divisors (174972068).

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

158228380 is a wasteful number, since it uses less digits than its factorization.

158228380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21933 (or 21931 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 158228380 is about 12578.8862782044. The cubic root of 158228380 is about 540.8723668010.

The spelling of 158228380 in words is "one hundred fifty-eight million, two hundred twenty-eight thousand, three hundred eighty".