1145310453 has 24 divisors (see below), whose sum is σ = 1891780800. Its totient is φ = 654079104.

The previous prime is 1145310437. The next prime is 1145310487. The reversal of 1145310453 is 3540135411.

It is a happy number.

It is not a de Polignac number, because 1145310453 - 2⁴ = 1145310437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145310433) 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, 129858 + ... + 138396.

It is an arithmetic number, because the mean of its divisors is an integer number (78824200).

Almost surely, 2^1145310453 is an apocalyptic number.

It is an amenable number.

1145310453 is a deficient number, since it is larger than the sum of its proper divisors (746470347).

1145310453 is a wasteful number, since it uses less digits than its factorization.

1145310453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681 (or 10678 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1145310453 is about 33842.4356836206. The cubic root of 1145310453 is about 1046.2635001234.

Adding to 1145310453 its reverse (3540135411), we get a palindrome (4685445864).

The spelling of 1145310453 in words is "one billion, one hundred forty-five million, three hundred ten thousand, four hundred fifty-three".