158362738 has 16 divisors (see below), whose sum is σ = 244315224. Its totient is φ = 76930560.

The previous prime is 158362733. The next prime is 158362753. The reversal of 158362738 is 837263851.

It can be written as a sum of positive squares in 4 ways, for example, as 156575169 + 1787569 = 12513^2 + 1337^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158362694 and 158362703.

It is not an unprimeable number, because it can be changed into a prime (158362733) 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 7 ways as a sum of consecutive naturals, for example, 77506 + ... + 79522.

Almost surely, 2^158362738 is an apocalyptic number.

158362738 is a deficient number, since it is larger than the sum of its proper divisors (85952486).

158362738 is a wasteful number, since it uses less digits than its factorization.

158362738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117.

The product of its digits is 241920, while the sum is 43.

The square root of 158362738 is about 12584.2257608484. The cubic root of 158362738 is about 541.0254155566.

The spelling of 158362738 in words is "one hundred fifty-eight million, three hundred sixty-two thousand, seven hundred thirty-eight".