1145311453 has 16 divisors (see below), whose sum is σ = 1347216192. Its totient is φ = 959904000.

The previous prime is 1145311451. The next prime is 1145311499. The reversal of 1145311453 is 3541135411.

It is not a de Polignac number, because 1145311453 - 2¹ = 1145311451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145311451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121438 + ... + 130528.

It is an arithmetic number, because the mean of its divisors is an integer number (84201012).

Almost surely, 2^1145311453 is an apocalyptic number.

1145311453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1145311453 is a deficient number, since it is larger than the sum of its proper divisors (201904739).

1145311453 is a wasteful number, since it uses less digits than its factorization.

1145311453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9996.

The product of its digits is 3600, while the sum is 28.

The square root of 1145311453 is about 33842.4504579677. The cubic root of 1145311453 is about 1046.2638046298.

Adding to 1145311453 its reverse (3541135411), we get a palindrome (4686446864).

The spelling of 1145311453 in words is "one billion, one hundred forty-five million, three hundred eleven thousand, four hundred fifty-three".