158229373 has 4 divisors (see below), whose sum is σ = 162088668. Its totient is φ = 154370080.

The previous prime is 158229371. The next prime is 158229389. The reversal of 158229373 is 373922851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 373922851 = 37 ⋅10106023.

It can be written as a sum of positive squares in 2 ways, for example, as 65723449 + 92505924 = 8107^2 + 9618^2 .

It is a cyclic number.

It is not a de Polignac number, because 158229373 - 2¹ = 158229371 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158229371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1929586 + ... + 1929667.

It is an arithmetic number, because the mean of its divisors is an integer number (40522167).

Almost surely, 2^158229373 is an apocalyptic number.

It is an amenable number.

158229373 is a deficient number, since it is larger than the sum of its proper divisors (3859295).

158229373 is an equidigital number, since it uses as much as digits as its factorization.

158229373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859294.

The product of its digits is 90720, while the sum is 40.

The square root of 158229373 is about 12578.9257490455. The cubic root of 158229373 is about 540.8734982565.

The spelling of 158229373 in words is "one hundred fifty-eight million, two hundred twenty-nine thousand, three hundred seventy-three".