1442053544 has 16 divisors (see below), whose sum is σ = 2707254900. Its totient is φ = 720118912.

The previous prime is 1442053531. The next prime is 1442053549. The reversal of 1442053544 is 4453502441.

It can be written as a sum of positive squares in 2 ways, for example, as 1366189444 + 75864100 = 36962^2 + 8710^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1442053544.

It is not an unprimeable number, because it can be changed into a prime (1442053549) 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, 106709 + ... + 119460.

Almost surely, 2^1442053544 is an apocalyptic number.

It is an amenable number.

1442053544 is a deficient number, since it is larger than the sum of its proper divisors (1265201356).

1442053544 is a wasteful number, since it uses less digits than its factorization.

1442053544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226972 (or 226968 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 1442053544 is about 37974.3801002729. The cubic root of 1442053544 is about 1129.7797738265.

Adding to 1442053544 its reverse (4453502441), we get a palindrome (5895555985).

The spelling of 1442053544 in words is "one billion, four hundred forty-two million, fifty-three thousand, five hundred forty-four".