64452023226143 has 4 divisors (see below), whose sum is σ = 73659455115600. Its totient is φ = 55244591336688.

The previous prime is 64452023226137. The next prime is 64452023226187. The reversal of 64452023226143 is 34162232025446.

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 64452023226143 - 2²⁰ = 64452022177567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64452023226094 and 64452023226103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64452023226443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4603715944718 + ... + 4603715944731.

It is an arithmetic number, because the mean of its divisors is an integer number (18414863778900).

Almost surely, 2^{64452023226143} is an apocalyptic number.

64452023226143 is a deficient number, since it is larger than the sum of its proper divisors (9207431889457).

64452023226143 is an equidigital number, since it uses as much as digits as its factorization.

64452023226143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9207431889456.

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 64452023226143 in words is "sixty-four trillion, four hundred fifty-two billion, twenty-three million, two hundred twenty-six thousand, one hundred forty-three".