158028842 has 16 divisors (see below), whose sum is σ = 245241864. Its totient is φ = 76320000.

The previous prime is 158028839. The next prime is 158028851. The reversal of 158028842 is 248820851.

It can be written as a sum of positive squares in 4 ways, for example, as 113018161 + 45010681 = 10631^2 + 6709^2 .

It is a super-2 number, since 2×158028842² = 49946229807721928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158028796 and 158028805.

It is an unprimeable number.

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, 1259 + ... + 17822.

Almost surely, 2^158028842 is an apocalyptic number.

158028842 is a deficient number, since it is larger than the sum of its proper divisors (87213022).

158028842 is a wasteful number, since it uses less digits than its factorization.

158028842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19225.

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 158028842 is about 12570.9523107838. The cubic root of 158028842 is about 540.6449107884.

The spelling of 158028842 in words is "one hundred fifty-eight million, twenty-eight thousand, eight hundred forty-two".