142885771225 has 12 divisors (see below), whose sum is σ = 177278117884. Its totient is φ = 114244254720.

The previous prime is 142885771187. The next prime is 142885771253. The reversal of 142885771225 is 522177588241.

It can be written as a sum of positive squares in 6 ways, for example, as 7675862544 + 135209908681 = 87612^2 + 367709^2 .

It is not a de Polignac number, because 142885771225 - 2²⁹ = 142348900313 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1563744 + ... + 1652593.

Almost surely, 2^142885771225 is an apocalyptic number.

It is an amenable number.

142885771225 is a deficient number, since it is larger than the sum of its proper divisors (34392346659).

142885771225 is a wasteful number, since it uses less digits than its factorization.

142885771225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218124 (or 3218119 counting only the distinct ones).

The product of its digits is 2508800, while the sum is 52.

The spelling of 142885771225 in words is "one hundred forty-two billion, eight hundred eighty-five million, seven hundred seventy-one thousand, two hundred twenty-five".