1442542453 has 16 divisors (see below), whose sum is σ = 1658836800. Its totient is φ = 1240634880.

The previous prime is 1442542441. The next prime is 1442542469. The reversal of 1442542453 is 3542452441.

It is a cyclic number.

It is not a de Polignac number, because 1442542453 - 2²¹ = 1440445301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442542403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157093 + ... + 166021.

It is an arithmetic number, because the mean of its divisors is an integer number (103677300).

Almost surely, 2^1442542453 is an apocalyptic number.

It is an amenable number.

1442542453 is a deficient number, since it is larger than the sum of its proper divisors (216294347).

1442542453 is a wasteful number, since it uses less digits than its factorization.

1442542453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9732.

The product of its digits is 76800, while the sum is 34.

The square root of 1442542453 is about 37980.8169080129. The cubic root of 1442542453 is about 1129.9074383158.

Adding to 1442542453 its reverse (3542452441), we get a palindrome (4984994894).

The spelling of 1442542453 in words is "one billion, four hundred forty-two million, five hundred forty-two thousand, four hundred fifty-three".