158045790 has 64 divisors (see below), whose sum is σ = 436492800. Its totient is φ = 35875200.

The previous prime is 158045779. The next prime is 158045807. The reversal of 158045790 is 97540851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28765 + ... + 33815.

It is an arithmetic number, because the mean of its divisors is an integer number (6820200).

Almost surely, 2^158045790 is an apocalyptic number.

158045790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 158045790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218246400).

158045790 is an abundant number, since it is smaller than the sum of its proper divisors (278447010).

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

158045790 is a wasteful number, since it uses less digits than its factorization.

158045790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 158045790 is about 12571.6263864307. The cubic root of 158045790 is about 540.6642374765.

The spelling of 158045790 in words is "one hundred fifty-eight million, forty-five thousand, seven hundred ninety".