142255239452 has 24 divisors (see below), whose sum is σ = 257422704000. Its totient is φ = 68713850880.

The previous prime is 142255239409. The next prime is 142255239461. The reversal of 142255239452 is 254932552241.

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, 922577 + ... + 1065672.

It is an arithmetic number, because the mean of its divisors is an integer number (10725946000).

Almost surely, 2^142255239452 is an apocalyptic number.

It is an amenable number.

142255239452 is a deficient number, since it is larger than the sum of its proper divisors (115167464548).

142255239452 is a wasteful number, since it uses less digits than its factorization.

142255239452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988861 (or 1988859 counting only the distinct ones).

The product of its digits is 864000, while the sum is 44.

The spelling of 142255239452 in words is "one hundred forty-two billion, two hundred fifty-five million, two hundred thirty-nine thousand, four hundred fifty-two".