142320462392 has 8 divisors (see below), whose sum is σ = 266850867000. Its totient is φ = 71160231192.

The previous prime is 142320462377. The next prime is 142320462409. The reversal of 142320462392 is 293264023241.

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

It is a super-2 number, since 2×142320462392² (a number of 23 digits) contains 22 as substring.

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, 8895028892 + ... + 8895028907.

It is an arithmetic number, because the mean of its divisors is an integer number (33356358375).

Almost surely, 2^142320462392 is an apocalyptic number.

It is an amenable number.

142320462392 is a deficient number, since it is larger than the sum of its proper divisors (124530404608).

142320462392 is a wasteful number, since it uses less digits than its factorization.

142320462392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17790057805 (or 17790057801 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 142320462392 in words is "one hundred forty-two billion, three hundred twenty million, four hundred sixty-two thousand, three hundred ninety-two".