142568854 has 16 divisors (see below), whose sum is σ = 219039408. Its totient is φ = 69576192.

The previous prime is 142568827. The next prime is 142568863. The reversal of 142568854 is 458865241.

It is a self number, because there is not a number n which added to its sum of digits gives 142568854.

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 in 7 ways as a sum of consecutive naturals, for example, 9129 + ... + 19195.

It is an arithmetic number, because the mean of its divisors is an integer number (13689963).

Almost surely, 2^142568854 is an apocalyptic number.

142568854 is a deficient number, since it is larger than the sum of its proper divisors (76470554).

142568854 is a wasteful number, since it uses less digits than its factorization.

142568854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10239.

The product of its digits is 307200, while the sum is 43.

The square root of 142568854 is about 11940.2200147233. The cubic root of 142568854 is about 522.4060760792.

The spelling of 142568854 in words is "one hundred forty-two million, five hundred sixty-eight thousand, eight hundred fifty-four".