842158801 has 16 divisors (see below), whose sum is σ = 981875520. Its totient is φ = 713812480.

The previous prime is 842158747. The next prime is 842158841. The reversal of 842158801 is 108851248.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 842158801 - 2¹⁹ = 841634513 is a prime.

It is a super-2 number, since 2×842158801² = 1418462892203515202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842158841) 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 15 ways as a sum of consecutive naturals, for example, 1036 + ... + 41053.

It is an arithmetic number, because the mean of its divisors is an integer number (61367220).

Almost surely, 2^842158801 is an apocalyptic number.

It is an amenable number.

842158801 is a deficient number, since it is larger than the sum of its proper divisors (139716719).

842158801 is a wasteful number, since it uses less digits than its factorization.

842158801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42224.

The product of its (nonzero) digits is 20480, while the sum is 37.

The square root of 842158801 is about 29019.9724500214. The cubic root of 842158801 is about 944.3464032172.

The spelling of 842158801 in words is "eight hundred forty-two million, one hundred fifty-eight thousand, eight hundred one".