158780380 has 48 divisors (see below), whose sum is σ = 366147936. Its totient is φ = 57358080.

The previous prime is 158780333. The next prime is 158780393. The reversal of 158780380 is 83087851.

It is a super-2 number, since 2×158780380² = 50422418145888800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32242 + ... + 36838.

It is an arithmetic number, because the mean of its divisors is an integer number (7628082).

Almost surely, 2^158780380 is an apocalyptic number.

158780380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158780380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183073968).

158780380 is an abundant number, since it is smaller than the sum of its proper divisors (207367556).

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

158780380 is a wasteful number, since it uses less digits than its factorization.

158780380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774 (or 4772 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 158780380 is about 12600.8087042063. The cubic root of 158780380 is about 541.5006043475.

The spelling of 158780380 in words is "one hundred fifty-eight million, seven hundred eighty thousand, three hundred eighty".