158159040 has 448 divisors, whose sum is σ = 614476800. Its totient is φ = 34062336.

The previous prime is 158159039. The next prime is 158159047. The reversal of 158159040 is 40951851.

It is a junction number, because it is equal to n+sod(n) for n = 158158992 and 158159010.

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 754 × 690 × 304.

It is not an unprimeable number, because it can be changed into a prime (158159047) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 5453746 + ... + 5453774.

It is an arithmetic number, because the mean of its divisors is an integer number (1371600).

Almost surely, 2^158159040 is an apocalyptic number.

158159040 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 158159040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307238400).

158159040 is an abundant number, since it is smaller than the sum of its proper divisors (456317760).

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

158159040 is a wasteful number, since it uses less digits than its factorization.

158159040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 158159040 is about 12576.1297703228. The cubic root of 158159040 is about 540.7933469065.

The spelling of 158159040 in words is "one hundred fifty-eight million, one hundred fifty-nine thousand, forty".