158447938 has 16 divisors (see below), whose sum is σ = 268220160. Its totient is φ = 69538000.

The previous prime is 158447923. The next prime is 158447957. The reversal of 158447938 is 839744851.

It is a junction number, because it is equal to n+sod(n) for n = 158447891 and 158447900.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 123538 + ... + 124813.

It is an arithmetic number, because the mean of its divisors is an integer number (16763760).

Almost surely, 2^158447938 is an apocalyptic number.

158447938 is a deficient number, since it is larger than the sum of its proper divisors (109772222).

158447938 is a wasteful number, since it uses less digits than its factorization.

158447938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248393.

The product of its digits is 967680, while the sum is 49.

The square root of 158447938 is about 12587.6104960393. The cubic root of 158447938 is about 541.1224230176.

The spelling of 158447938 in words is "one hundred fifty-eight million, four hundred forty-seven thousand, nine hundred thirty-eight".