142246220003 has 8 divisors (see below), whose sum is σ = 149376261408. Its totient is φ = 135194963904.

The previous prime is 142246219987. The next prime is 142246220023. The reversal of 142246220003 is 300022642241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 142246220003 - 2⁴ = 142246219987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142246220023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19692626 + ... + 19699847.

It is an arithmetic number, because the mean of its divisors is an integer number (18672032676).

Almost surely, 2^142246220003 is an apocalyptic number.

142246220003 is a deficient number, since it is larger than the sum of its proper divisors (7130041405).

142246220003 is a wasteful number, since it uses less digits than its factorization.

142246220003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39392653.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 142246220003 its reverse (300022642241), we get a palindrome (442268862244).

The spelling of 142246220003 in words is "one hundred forty-two billion, two hundred forty-six million, two hundred twenty thousand, three".