802143774 has 48 divisors (see below), whose sum is σ = 1753444368. Its totient is φ = 265015296.

The previous prime is 802143733. The next prime is 802143779. The reversal of 802143774 is 477341208.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802143779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1466169 + ... + 1466715.

It is an arithmetic number, because the mean of its divisors is an integer number (36530091).

Almost surely, 2^802143774 is an apocalyptic number.

802143774 is an abundant number, since it is smaller than the sum of its proper divisors (951300594).

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

802143774 is a wasteful number, since it uses less digits than its factorization.

802143774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 802143774 is about 28322.1428214745. The cubic root of 802143774 is about 929.1462369290.

The spelling of 802143774 in words is "eight hundred two million, one hundred forty-three thousand, seven hundred seventy-four".