158097789 has 6 divisors (see below), whose sum is σ = 228363486. Its totient is φ = 105398520.

The previous prime is 158097733. The next prime is 158097817. The reversal of 158097789 is 987790851.

It can be written as a sum of positive squares in only one way, i.e., 141205689 + 16892100 = 11883^2 + 4110^2 .

It is not a de Polignac number, because 158097789 - 2¹³ = 158089597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158097089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8783202 + ... + 8783219.

It is an arithmetic number, because the mean of its divisors is an integer number (38060581).

Almost surely, 2^158097789 is an apocalyptic number.

It is an amenable number.

158097789 is a deficient number, since it is larger than the sum of its proper divisors (70265697).

158097789 is a wasteful number, since it uses less digits than its factorization.

158097789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17566427 (or 17566424 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 54.

The square root of 158097789 is about 12573.6943258535. The cubic root of 158097789 is about 540.7235260260.

The spelling of 158097789 in words is "one hundred fifty-eight million, ninety-seven thousand, seven hundred eighty-nine".