158095399 has 16 divisors (see below), whose sum is σ = 205678080. Its totient is φ = 117833760.

The previous prime is 158095373. The next prime is 158095429. The reversal of 158095399 is 993590851.

It is a happy number.

It is not a de Polignac number, because 158095399 - 2⁵ = 158095367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158095099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42864 + ... + 46405.

It is an arithmetic number, because the mean of its divisors is an integer number (12854880).

Almost surely, 2^158095399 is an apocalyptic number.

158095399 is a deficient number, since it is larger than the sum of its proper divisors (47582681).

158095399 is a wasteful number, since it uses less digits than its factorization.

158095399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89310.

The product of its (nonzero) digits is 437400, while the sum is 49.

The square root of 158095399 is about 12573.5992858052. The cubic root of 158095399 is about 540.7208012657.

The spelling of 158095399 in words is "one hundred fifty-eight million, ninety-five thousand, three hundred ninety-nine".