1444254453 has 12 divisors (see below), whose sum is σ = 2090676588. Its totient is φ = 960744960.

The previous prime is 1444254401. The next prime is 1444254457. The reversal of 1444254453 is 3544524441.

1444254453 is a `hidden beast` number, since 144 + 425 + 44 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 770229009 + 674025444 = 27753^2 + 25962^2 .

It is not a de Polignac number, because 1444254453 - 2⁶ = 1444254389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444254457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169900 + ... + 178197.

It is an arithmetic number, because the mean of its divisors is an integer number (174223049).

Almost surely, 2^1444254453 is an apocalyptic number.

It is an amenable number.

1444254453 is a deficient number, since it is larger than the sum of its proper divisors (646422135).

1444254453 is a wasteful number, since it uses less digits than its factorization.

1444254453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348564 (or 348561 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 1444254453 is about 38003.3479183085. The cubic root of 1444254453 is about 1130.3542505372.

Adding to 1444254453 its reverse (3544524441), we get a palindrome (4988778894).

The spelling of 1444254453 in words is "one billion, four hundred forty-four million, two hundred fifty-four thousand, four hundred fifty-three".