142344363646 has 24 divisors (see below), whose sum is σ = 221194682280. Its totient is φ = 68698884240.

The previous prime is 142344363643. The next prime is 142344363691. The reversal of 142344363646 is 646363443241.

It is a junction number, because it is equal to n+sod(n) for n = 142344363596 and 142344363605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142344363643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 652465 + ... + 842851.

It is an arithmetic number, because the mean of its divisors is an integer number (9216445095).

Almost surely, 2^142344363646 is an apocalyptic number.

142344363646 is a deficient number, since it is larger than the sum of its proper divisors (78850318634).

142344363646 is a wasteful number, since it uses less digits than its factorization.

142344363646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190840 (or 190809 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 46.

The spelling of 142344363646 in words is "one hundred forty-two billion, three hundred forty-four million, three hundred sixty-three thousand, six hundred forty-six".