142409785552 has 10 divisors (see below), whose sum is σ = 275918959538. Its totient is φ = 71204892768.

The previous prime is 142409785541. The next prime is 142409785571. The reversal of 142409785552 is 255587904241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 107337485376 + 35072300176 = 327624^2 + 187276^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142409785552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4450305783 + ... + 4450305814.

Almost surely, 2^142409785552 is an apocalyptic number.

It is an amenable number.

142409785552 is a deficient number, since it is larger than the sum of its proper divisors (133509173986).

142409785552 is an equidigital number, since it uses as much as digits as its factorization.

142409785552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8900611605 (or 8900611599 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 142409785552 in words is "one hundred forty-two billion, four hundred nine million, seven hundred eighty-five thousand, five hundred fifty-two".