142263217852 has 24 divisors (see below), whose sum is σ = 286230196224. Its totient is φ = 60604858992.

The previous prime is 142263217823. The next prime is 142263217909. The reversal of 142263217852 is 258712362241.

It is a super-2 number, since 2×142263217852² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142263217799 and 142263217808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15207388 + ... + 15216739.

It is an arithmetic number, because the mean of its divisors is an integer number (11926258176).

Almost surely, 2^142263217852 is an apocalyptic number.

It is an amenable number.

142263217852 is an abundant number, since it is smaller than the sum of its proper divisors (143966978372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142263217852 is a wasteful number, since it uses less digits than its factorization.

142263217852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30424305 (or 30424303 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The spelling of 142263217852 in words is "one hundred forty-two billion, two hundred sixty-three million, two hundred seventeen thousand, eight hundred fifty-two".