158701842 has 64 divisors (see below), whose sum is σ = 384625920. Its totient is φ = 48813840.

The previous prime is 158701811. The next prime is 158701847. The reversal of 158701842 is 248107851.

It is a junction number, because it is equal to n+sod(n) for n = 158701797 and 158701806.

It is not an unprimeable number, because it can be changed into a prime (158701847) 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 31 ways as a sum of consecutive naturals, for example, 55467 + ... + 58257.

It is an arithmetic number, because the mean of its divisors is an integer number (6009780).

Almost surely, 2^158701842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158701842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192312960).

158701842 is an abundant number, since it is smaller than the sum of its proper divisors (225924078).

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

158701842 is an equidigital number, since it uses as much as digits as its factorization.

158701842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827 (or 2809 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 158701842 is about 12597.6919314611. The cubic root of 158701842 is about 541.4113082847.

The spelling of 158701842 in words is "one hundred fifty-eight million, seven hundred one thousand, eight hundred forty-two".