142561089952 has 12 divisors (see below), whose sum is σ = 280667145906. Its totient is φ = 71280544960.

The previous prime is 142561089943. The next prime is 142561090027. The reversal of 142561089952 is 259980165241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 83611192336 + 58949897616 = 289156^2 + 242796^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142561089952.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227516999 + ... + 2227517062.

Almost surely, 2^142561089952 is an apocalyptic number.

It is an amenable number.

142561089952 is a deficient number, since it is larger than the sum of its proper divisors (138106055954).

142561089952 is an equidigital number, since it uses as much as digits as its factorization.

142561089952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455034071 (or 4455034063 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 142561089952 in words is "one hundred forty-two billion, five hundred sixty-one million, eighty-nine thousand, nine hundred fifty-two".