142243042064 has 20 divisors (see below), whose sum is σ = 275627056656. Its totient is φ = 71113479072.

The previous prime is 142243042013. The next prime is 142243042069. The reversal of 142243042064 is 460240342241.

It is a self number, because there is not a number n which added to its sum of digits gives 142243042064.

It is not an unprimeable number, because it can be changed into a prime (142243042069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355394 + ... + 640929.

Almost surely, 2^142243042064 is an apocalyptic number.

It is an amenable number.

142243042064 is a deficient number, since it is larger than the sum of its proper divisors (133384014592).

142243042064 is an equidigital number, since it uses as much as digits as its factorization.

142243042064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005254 (or 1005248 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 142243042064 in words is "one hundred forty-two billion, two hundred forty-three million, forty-two thousand, sixty-four".