142819278292804 has 9 divisors (see below), whose sum is σ = 249933778839871. Its totient is φ = 71409627195700.

The previous prime is 142819278292777. The next prime is 142819278292841. The reversal of 142819278292804 is 408292872918241.

The square root of 142819278292804 is 11950702.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142819278292804.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20913729 + ... + 26889079.

Almost surely, 2^{142819278292804} is an apocalyptic number.

142819278292804 is the 11950702-nd square number.

It is an amenable number.

142819278292804 is a deficient number, since it is larger than the sum of its proper divisors (107114500547067).

142819278292804 is an frugal number, since it uses more digits than its factorization.

142819278292804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11950706 (or 5975353 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 67.

The spelling of 142819278292804 in words is "one hundred forty-two trillion, eight hundred nineteen billion, two hundred seventy-eight million, two hundred ninety-two thousand, eight hundred four".