142853254849 has 4 divisors (see below), whose sum is σ = 142854018736. Its totient is φ = 142852490964.

The previous prime is 142853254811. The next prime is 142853254867. The reversal of 142853254849 is 948452358241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 142853254849 - 2⁹ = 142853254337 is a prime.

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 142853254849.

It is not an unprimeable number, because it can be changed into a prime (142853254879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108442 + ... + 545404.

It is an arithmetic number, because the mean of its divisors is an integer number (35713504684).

Almost surely, 2^142853254849 is an apocalyptic number.

It is an amenable number.

142853254849 is a deficient number, since it is larger than the sum of its proper divisors (763887).

142853254849 is an equidigital number, since it uses as much as digits as its factorization.

142853254849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763886.

The product of its digits is 11059200, while the sum is 55.

The spelling of 142853254849 in words is "one hundred forty-two billion, eight hundred fifty-three million, two hundred fifty-four thousand, eight hundred forty-nine".