143224461521645 has 16 divisors (see below), whose sum is σ = 196504338161280. Its totient is φ = 98169949577664.

The previous prime is 143224461521629. The next prime is 143224461521707. The reversal of 143224461521645 is 546125164422341.

It is a cyclic number.

It is not a de Polignac number, because 143224461521645 - 2⁴ = 143224461521629 is a prime.

It is a super-3 number, since 3×143224461521645³ (a number of 43 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 143224461521593 and 143224461521602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856368347 + ... + 856535576.

It is an arithmetic number, because the mean of its divisors is an integer number (12281521135080).

Almost surely, 2^{143224461521645} is an apocalyptic number.

It is an amenable number.

143224461521645 is a deficient number, since it is larger than the sum of its proper divisors (53279876639635).

143224461521645 is a wasteful number, since it uses less digits than its factorization.

143224461521645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712906324.

The product of its digits is 5529600, while the sum is 50.

The spelling of 143224461521645 in words is "one hundred forty-three trillion, two hundred twenty-four billion, four hundred sixty-one million, five hundred twenty-one thousand, six hundred forty-five".