1042143444 has 18 divisors (see below), whose sum is σ = 2634307130. Its totient is φ = 347381136.

The previous prime is 1042143439. The next prime is 1042143457. The reversal of 1042143444 is 4443412401.

1042143444 is a `hidden beast` number, since 1 + 0 + 4 + 214 + 3 + 444 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1012003344 + 30140100 = 31812^2 + 5490^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1042143444² = 2172125915744362272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14474179 + ... + 14474250.

Almost surely, 2^1042143444 is an apocalyptic number.

It is an amenable number.

1042143444 is an abundant number, since it is smaller than the sum of its proper divisors (1592163686).

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

1042143444 is a wasteful number, since it uses less digits than its factorization.

1042143444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28948439 (or 28948434 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1042143444 is about 32282.2465760981. The cubic root of 1042143444 is about 1013.8549679947.

Adding to 1042143444 its reverse (4443412401), we get a palindrome (5485555845).

The spelling of 1042143444 in words is "one billion, forty-two million, one hundred forty-three thousand, four hundred forty-four".