842801145 has 16 divisors (see below), whose sum is σ = 1419455040. Its totient is φ = 425836224.

The previous prime is 842801143. The next prime is 842801149. The reversal of 842801145 is 541108248.

It is not a de Polignac number, because 842801145 - 2¹ = 842801143 is a prime.

It is a super-3 number, since 3×842801145³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (842801143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1478314 + ... + 1478883.

It is an arithmetic number, because the mean of its divisors is an integer number (88715940).

Almost surely, 2^842801145 is an apocalyptic number.

It is an amenable number.

842801145 is a deficient number, since it is larger than the sum of its proper divisors (576653895).

842801145 is a wasteful number, since it uses less digits than its factorization.

842801145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957224.

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 842801145 is about 29031.0376149389. The cubic root of 842801145 is about 944.5864375539.

The spelling of 842801145 in words is "eight hundred forty-two million, eight hundred one thousand, one hundred forty-five".