143664322201456 has 40 divisors (see below), whose sum is σ = 319712418444800. Its totient is φ = 61261024676544.

The previous prime is 143664322201373. The next prime is 143664322201469. The reversal of 143664322201456 is 654102223466341.

It is a congruent number.

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, 3222885156 + ... + 3222929731.

It is an arithmetic number, because the mean of its divisors is an integer number (7992810461120).

Almost surely, 2^{143664322201456} is an apocalyptic number.

143664322201456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

143664322201456 is an abundant number, since it is smaller than the sum of its proper divisors (176048096243344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143664322201456 is a wasteful number, since it uses less digits than its factorization.

143664322201456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6445815101 (or 6445815095 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 49.

Adding to 143664322201456 its reverse (654102223466341), we get a palindrome (797766545667797).

The spelling of 143664322201456 in words is "one hundred forty-three trillion, six hundred sixty-four billion, three hundred twenty-two million, two hundred one thousand, four hundred fifty-six".