842902144 has 32 divisors (see below), whose sum is σ = 1919109600. Its totient is φ = 361243392.

The previous prime is 842902141. The next prime is 842902147. The reversal of 842902144 is 441209248.

It is an interprime number because it is at equal distance from previous prime (842902141) and next prime (842902147).

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (842902141) 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 3 ways as a sum of consecutive naturals, for example, 469474 + ... + 471265.

It is an arithmetic number, because the mean of its divisors is an integer number (59972175).

Almost surely, 2^842902144 is an apocalyptic number.

It is an amenable number.

842902144 is an abundant number, since it is smaller than the sum of its proper divisors (1076207456).

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

842902144 is an equidigital number, since it uses as much as digits as its factorization.

842902144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940760 (or 940748 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 842902144 is about 29032.7770631746. Note that the first 3 decimals coincide. The cubic root of 842902144 is about 944.6241682711.

The spelling of 842902144 in words is "eight hundred forty-two million, nine hundred two thousand, one hundred forty-four".