802642144 has 12 divisors (see below), whose sum is σ = 1580201784. Its totient is φ = 401321056.

The previous prime is 802642129. The next prime is 802642151. The reversal of 802642144 is 441246208.

It is a super-2 number, since 2×802642144² = 1288468822649833472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12541252 + ... + 12541315.

It is an arithmetic number, because the mean of its divisors is an integer number (131683482).

Almost surely, 2^802642144 is an apocalyptic number.

It is an amenable number.

802642144 is a deficient number, since it is larger than the sum of its proper divisors (777559640).

802642144 is a wasteful number, since it uses less digits than its factorization.

802642144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25082577 (or 25082569 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 802642144 is about 28330.9396949695. The cubic root of 802642144 is about 929.3386225333.

The spelling of 802642144 in words is "eight hundred two million, six hundred forty-two thousand, one hundred forty-four".