1444362453 has 24 divisors (see below), whose sum is σ = 2123806776. Its totient is φ = 945648000.

The previous prime is 1444362427. The next prime is 1444362457. The reversal of 1444362453 is 3542634441.

1444362453 is a `hidden beast` number, since 144 + 4 + 3 + 62 + 453 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7800849 + 1436561604 = 2793^2 + 37902^2 .

It is not a de Polignac number, because 1444362453 - 2¹⁷ = 1444231381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444362457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 435903 + ... + 439203.

It is an arithmetic number, because the mean of its divisors is an integer number (88491949).

Almost surely, 2^1444362453 is an apocalyptic number.

It is an amenable number.

1444362453 is a deficient number, since it is larger than the sum of its proper divisors (679444323).

1444362453 is a wasteful number, since it uses less digits than its factorization.

1444362453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165 (or 4162 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 1444362453 is about 38004.7688191890. The cubic root of 1444362453 is about 1130.3824254468.

Adding to 1444362453 its reverse (3542634441), we get a palindrome (4986996894).

The spelling of 1444362453 in words is "one billion, four hundred forty-four million, three hundred sixty-two thousand, four hundred fifty-three".