142585443314281 has 4 divisors (see below), whose sum is σ = 155547756342864. Its totient is φ = 129623130285700.

The previous prime is 142585443314273. The next prime is 142585443314287. The reversal of 142585443314281 is 182413344585241.

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.

It is a cyclic number.

It is not a de Polignac number, because 142585443314281 - 2³ = 142585443314273 is a prime.

It is a super-2 number, since 2×142585443314281² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142585443314287) 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, 6481156514275 + ... + 6481156514296.

It is an arithmetic number, because the mean of its divisors is an integer number (38886939085716).

Almost surely, 2^{142585443314281} is an apocalyptic number.

142585443314281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142585443314281 is a deficient number, since it is larger than the sum of its proper divisors (12962313028583).

142585443314281 is a wasteful number, since it uses less digits than its factorization.

142585443314281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12962313028582.

The product of its digits is 14745600, while the sum is 55.

The spelling of 142585443314281 in words is "one hundred forty-two trillion, five hundred eighty-five billion, four hundred forty-three million, three hundred fourteen thousand, two hundred eighty-one".