158542342 has 12 divisors (see below), whose sum is σ = 276640380. Its totient is φ = 67946676.

The previous prime is 158542337. The next prime is 158542343. The reversal of 158542342 is 243245851.

158542342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 158542298 and 158542307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158542343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 808792 + ... + 808987.

It is an arithmetic number, because the mean of its divisors is an integer number (23053365).

Almost surely, 2^158542342 is an apocalyptic number.

158542342 is a deficient number, since it is larger than the sum of its proper divisors (118098038).

158542342 is a wasteful number, since it uses less digits than its factorization.

158542342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617795 (or 1617788 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 158542342 is about 12591.3598153655. The cubic root of 158542342 is about 541.2298694126.

The spelling of 158542342 in words is "one hundred fifty-eight million, five hundred forty-two thousand, three hundred forty-two".