223142522144 has 24 divisors (see below), whose sum is σ = 440897821308. Its totient is φ = 111168472320.

The previous prime is 223142522051. The next prime is 223142522159. The reversal of 223142522144 is 441225241322.

It can be written as a sum of positive squares in 2 ways, for example, as 222229273744 + 913248400 = 471412^2 + 30220^2 .

It is a super-3 number, since 3×223142522144³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 223142522144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12578147 + ... + 12595874.

Almost surely, 2^223142522144 is an apocalyptic number.

It is an amenable number.

223142522144 is a deficient number, since it is larger than the sum of its proper divisors (217755299164).

223142522144 is a wasteful number, since it uses less digits than its factorization.

223142522144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25174308 (or 25174300 counting only the distinct ones).

The product of its digits is 30720, while the sum is 32.

Adding to 223142522144 its reverse (441225241322), we get a palindrome (664367763466).

The spelling of 223142522144 in words is "two hundred twenty-three billion, one hundred forty-two million, five hundred twenty-two thousand, one hundred forty-four".