142246621703 has 4 divisors (see below), whose sum is σ = 142248193248. Its totient is φ = 142245050160.

The previous prime is 142246621687. The next prime is 142246621711. The reversal of 142246621703 is 307126642241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142246621703 - 2⁴ = 142246621687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142246621403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641126 + ... + 833987.

It is an arithmetic number, because the mean of its divisors is an integer number (35562048312).

Almost surely, 2^142246621703 is an apocalyptic number.

142246621703 is a deficient number, since it is larger than the sum of its proper divisors (1571545).

142246621703 is an equidigital number, since it uses as much as digits as its factorization.

142246621703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571544.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 142246621703 in words is "one hundred forty-two billion, two hundred forty-six million, six hundred twenty-one thousand, seven hundred three".