158602842 has 48 divisors (see below), whose sum is σ = 370581120. Its totient is φ = 48859200.

The previous prime is 158602841. The next prime is 158602891. The reversal of 158602842 is 248206851.

158602842 is a `hidden beast` number, since 1 + 5 + 8 + 602 + 8 + 42 = 666.

It is a super-2 number, since 2×158602842² = 50309722980953928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158602797 and 158602806.

It is not an unprimeable number, because it can be changed into a prime (158602841) 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 23 ways as a sum of consecutive naturals, for example, 8367 + ... + 19677.

It is an arithmetic number, because the mean of its divisors is an integer number (7720440).

Almost surely, 2^158602842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158602842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185290560).

158602842 is an abundant number, since it is smaller than the sum of its proper divisors (211978278).

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

158602842 is a wasteful number, since it uses less digits than its factorization.

158602842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11379 (or 11376 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 158602842 is about 12593.7620272895. The cubic root of 158602842 is about 541.2987053724.

The spelling of 158602842 in words is "one hundred fifty-eight million, six hundred two thousand, eight hundred forty-two".