158919400 has 96 divisors (see below), whose sum is σ = 400688640. Its totient is φ = 58383360.

The previous prime is 158919373. The next prime is 158919413. The reversal of 158919400 is 4919851.

It is a self number, because there is not a number n which added to its sum of digits gives 158919400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145657 + ... + 146743.

It is an arithmetic number, because the mean of its divisors is an integer number (4173840).

Almost surely, 2^158919400 is an apocalyptic number.

158919400 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 158919400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200344320).

158919400 is an abundant number, since it is smaller than the sum of its proper divisors (241769240).

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

158919400 is a wasteful number, since it uses less digits than its factorization.

158919400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 158919400 is about 12606.3238098980. The cubic root of 158919400 is about 541.6585950145.

The spelling of 158919400 in words is "one hundred fifty-eight million, nine hundred nineteen thousand, four hundred".