1442075253 has 8 divisors (see below), whose sum is σ = 1923180768. Its totient is φ = 961176624.

The previous prime is 1442075213. The next prime is 1442075287. The reversal of 1442075253 is 3525702441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1442075253 - 2¹³ = 1442067061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442075203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34651 + ... + 63912.

It is an arithmetic number, because the mean of its divisors is an integer number (240397596).

Almost surely, 2^1442075253 is an apocalyptic number.

It is an amenable number.

1442075253 is a deficient number, since it is larger than the sum of its proper divisors (481105515).

1442075253 is an equidigital number, since it uses as much as digits as its factorization.

1442075253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103443.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 1442075253 is about 37974.6659366478. The cubic root of 1442075253 is about 1129.7854431181.

Adding to 1442075253 its reverse (3525702441), we get a palindrome (4967777694).

The spelling of 1442075253 in words is "one billion, four hundred forty-two million, seventy-five thousand, two hundred fifty-three".