158042855 has 8 divisors (see below), whose sum is σ = 199633200. Its totient is φ = 119779776.

The previous prime is 158042827. The next prime is 158042869. The reversal of 158042855 is 558240851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158042855 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831710 + ... + 831899.

It is an arithmetic number, because the mean of its divisors is an integer number (24954150).

Almost surely, 2^158042855 is an apocalyptic number.

158042855 is a deficient number, since it is larger than the sum of its proper divisors (41590345).

158042855 is a wasteful number, since it uses less digits than its factorization.

158042855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663633.

The product of its (nonzero) digits is 64000, while the sum is 38.

The square root of 158042855 is about 12571.5096547710. The cubic root of 158042855 is about 540.6608906419.

The spelling of 158042855 in words is "one hundred fifty-eight million, forty-two thousand, eight hundred fifty-five".