142403310442 has 16 divisors (see below), whose sum is σ = 222696540000. Its totient is φ = 68233615632.

The previous prime is 142403310433. The next prime is 142403310451. The reversal of 142403310442 is 244013304241.

It is an interprime number because it is at equal distance from previous prime (142403310433) and next prime (142403310451).

It is a self number, because there is not a number n which added to its sum of digits gives 142403310442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15616692 + ... + 15625807.

It is an arithmetic number, because the mean of its divisors is an integer number (13918533750).

Almost surely, 2^142403310442 is an apocalyptic number.

142403310442 is a deficient number, since it is larger than the sum of its proper divisors (80293229558).

142403310442 is a wasteful number, since it uses less digits than its factorization.

142403310442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31242597.

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

Adding to 142403310442 its reverse (244013304241), we get a palindrome (386416614683).

The spelling of 142403310442 in words is "one hundred forty-two billion, four hundred three million, three hundred ten thousand, four hundred forty-two".