146643143543222 has 4 divisors (see below), whose sum is σ = 219964715314836. Its totient is φ = 73321571771610.

The previous prime is 146643143543173. The next prime is 146643143543257. The reversal of 146643143543222 is 222345341346641.

146643143543222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36660785885804 + ... + 36660785885807.

It is an arithmetic number, because the mean of its divisors is an integer number (54991178828709).

Almost surely, 2^{146643143543222} is an apocalyptic number.

146643143543222 is a deficient number, since it is larger than the sum of its proper divisors (73321571771614).

146643143543222 is an equidigital number, since it uses as much as digits as its factorization.

146643143543222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73321571771613.

The product of its digits is 9953280, while the sum is 50.

Adding to 146643143543222 its reverse (222345341346641), we get a palindrome (368988484889863).

The spelling of 146643143543222 in words is "one hundred forty-six trillion, six hundred forty-three billion, one hundred forty-three million, five hundred forty-three thousand, two hundred twenty-two".