158393106 has 12 divisors (see below), whose sum is σ = 343185102. Its totient is φ = 52797696.

The previous prime is 158393087. The next prime is 158393113. The reversal of 158393106 is 601393851.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 147403881 + 10989225 = 12141^2 + 3315^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4399791 + ... + 4399826.

Almost surely, 2^158393106 is an apocalyptic number.

158393106 is an abundant number, since it is smaller than the sum of its proper divisors (184791996).

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

158393106 is a wasteful number, since it uses less digits than its factorization.

158393106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799625 (or 8799622 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 158393106 is about 12585.4322929330. The cubic root of 158393106 is about 541.0599961024.

The spelling of 158393106 in words is "one hundred fifty-eight million, three hundred ninety-three thousand, one hundred six".