158145937 has 4 divisors (see below), whose sum is σ = 158965540. Its totient is φ = 157326336.

The previous prime is 158145931. The next prime is 158145947. The reversal of 158145937 is 739541851.

158145937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102434641 + 55711296 = 10121^2 + 7464^2 .

It is a cyclic number.

It is not a de Polignac number, because 158145937 - 2⁷ = 158145809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158145893 and 158145902.

It is not an unprimeable number, because it can be changed into a prime (158145931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409512 + ... + 409897.

It is an arithmetic number, because the mean of its divisors is an integer number (39741385).

Almost surely, 2^158145937 is an apocalyptic number.

It is an amenable number.

158145937 is a deficient number, since it is larger than the sum of its proper divisors (819603).

158145937 is an equidigital number, since it uses as much as digits as its factorization.

158145937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819602.

The product of its digits is 151200, while the sum is 43.

The square root of 158145937 is about 12575.6088123001. The cubic root of 158145937 is about 540.7784121275.

The spelling of 158145937 in words is "one hundred fifty-eight million, one hundred forty-five thousand, nine hundred thirty-seven".