1442453225 has 6 divisors (see below), whose sum is σ = 1788642030. Its totient is φ = 1153962560.

The previous prime is 1442453167. The next prime is 1442453227. The reversal of 1442453225 is 5223542441.

It can be written as a sum of positive squares in 3 ways, for example, as 245016409 + 1197436816 = 15653^2 + 34604^2 .

It is not a de Polignac number, because 1442453225 - 2²⁰ = 1441404649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1442453191 and 1442453200.

It is not an unprimeable number, because it can be changed into a prime (1442453227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28849040 + ... + 28849089.

It is an arithmetic number, because the mean of its divisors is an integer number (298107005).

Almost surely, 2^1442453225 is an apocalyptic number.

It is an amenable number.

1442453225 is a deficient number, since it is larger than the sum of its proper divisors (346188805).

1442453225 is an equidigital number, since it uses as much as digits as its factorization.

1442453225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57698139 (or 57698134 counting only the distinct ones).

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

The square root of 1442453225 is about 37979.6422442339. The cubic root of 1442453225 is about 1129.8841411483.

Adding to 1442453225 its reverse (5223542441), we get a palindrome (6665995666).

The spelling of 1442453225 in words is "one billion, four hundred forty-two million, four hundred fifty-three thousand, two hundred twenty-five".