2143224441145 has 16 divisors (see below), whose sum is σ = 2661837765120. Its totient is φ = 1654892467200.

The previous prime is 2143224441139. The next prime is 2143224441179. The reversal of 2143224441145 is 5411444223412.

It is a happy number.

It is not a de Polignac number, because 2143224441145 - 2⁹ = 2143224440633 is a prime.

It is a super-2 number, since 2×2143224441145² (a number of 25 digits) contains 22 as substring.

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, 18183016 + ... + 18300505.

It is an arithmetic number, because the mean of its divisors is an integer number (166364860320).

Almost surely, 2^{2143224441145} is an apocalyptic number.

It is an amenable number.

2143224441145 is a deficient number, since it is larger than the sum of its proper divisors (518613323975).

2143224441145 is a wasteful number, since it uses less digits than its factorization.

2143224441145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36483936.

The product of its digits is 122880, while the sum is 37.

Adding to 2143224441145 its reverse (5411444223412), we get a palindrome (7554668664557).

The spelling of 2143224441145 in words is "two trillion, one hundred forty-three billion, two hundred twenty-four million, four hundred forty-one thousand, one hundred forty-five".