142403013442 has 8 divisors (see below), whose sum is σ = 213606433296. Its totient is φ = 71200869012.

The previous prime is 142403013439. The next prime is 142403013457. The reversal of 142403013442 is 244310304241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 142403013442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41913 + ... + 535315.

It is an arithmetic number, because the mean of its divisors is an integer number (26700804162).

Almost surely, 2^142403013442 is an apocalyptic number.

142403013442 is a deficient number, since it is larger than the sum of its proper divisors (71203419854).

142403013442 is a wasteful number, since it uses less digits than its factorization.

142403013442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637712.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 142403013442 its reverse (244310304241), we get a palindrome (386713317683).

The spelling of 142403013442 in words is "one hundred forty-two billion, four hundred three million, thirteen thousand, four hundred forty-two".