142402412446 has 8 divisors (see below), whose sum is σ = 244118421360. Its totient is φ = 61029605328.

The previous prime is 142402412443. The next prime is 142402412489. The reversal of 142402412446 is 644214204241.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142402412443) 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, 5085800431 + ... + 5085800458.

It is an arithmetic number, because the mean of its divisors is an integer number (30514802670).

Almost surely, 2^142402412446 is an apocalyptic number.

142402412446 is a deficient number, since it is larger than the sum of its proper divisors (101716008914).

142402412446 is a wasteful number, since it uses less digits than its factorization.

142402412446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10171600898.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 142402412446 its reverse (644214204241), we get a palindrome (786616616687).

The spelling of 142402412446 in words is "one hundred forty-two billion, four hundred two million, four hundred twelve thousand, four hundred forty-six".