1143004144420 has 12 divisors (see below), whose sum is σ = 2400308703324. Its totient is φ = 457201657760.

The previous prime is 1143004144393. The next prime is 1143004144421. The reversal of 1143004144420 is 244414003411.

It can be written as a sum of positive squares in 2 ways, for example, as 895987192356 + 247016952064 = 946566^2 + 497008^2 .

It is a super-2 number, since 2×1143004144420² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1143004144421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28575103591 + ... + 28575103630.

It is an arithmetic number, because the mean of its divisors is an integer number (200025725277).

Almost surely, 2^{1143004144420} is an apocalyptic number.

1143004144420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143004144420 is an abundant number, since it is smaller than the sum of its proper divisors (1257304558904).

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

1143004144420 is a wasteful number, since it uses less digits than its factorization.

1143004144420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57150207230 (or 57150207228 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1143004144420 its reverse (244414003411), we get a palindrome (1387418147831).

The spelling of 1143004144420 in words is "one trillion, one hundred forty-three billion, four million, one hundred forty-four thousand, four hundred twenty".