142320550302152 has 8 divisors (see below), whose sum is σ = 266851031816550. Its totient is φ = 71160275151072.

The previous prime is 142320550302143. The next prime is 142320550302167. The reversal of 142320550302152 is 251203055023241.

It can be written as a sum of positive squares in only one way, i.e., 77774655172036 + 64545895130116 = 8818994^2 + 8034046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×142320550302152² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8895034393877 + ... + 8895034393892.

Almost surely, 2^{142320550302152} is an apocalyptic number.

It is an amenable number.

142320550302152 is a deficient number, since it is larger than the sum of its proper divisors (124530481514398).

142320550302152 is a wasteful number, since it uses less digits than its factorization.

142320550302152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17790068787775 (or 17790068787771 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 142320550302152 in words is "one hundred forty-two trillion, three hundred twenty billion, five hundred fifty million, three hundred two thousand, one hundred fifty-two".