158041538 has 8 divisors (see below), whose sum is σ = 238572732. Its totient is φ = 78517296.

The previous prime is 158041531. The next prime is 158041547. The reversal of 158041538 is 835140851.

It can be written as a sum of positive squares in 2 ways, for example, as 125059489 + 32982049 = 11183^2 + 5743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 158041498 and 158041507.

It is not an unprimeable number, because it can be changed into a prime (158041531) 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 3 ways as a sum of consecutive naturals, for example, 251345 + ... + 251972.

Almost surely, 2^158041538 is an apocalyptic number.

158041538 is a deficient number, since it is larger than the sum of its proper divisors (80531194).

158041538 is a wasteful number, since it uses less digits than its factorization.

158041538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503476.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 158041538 is about 12571.4572743179. The cubic root of 158041538 is about 540.6593888290.

The spelling of 158041538 in words is "one hundred fifty-eight million, forty-one thousand, five hundred thirty-eight".