1145003453 has 4 divisors (see below), whose sum is σ = 1249094688. Its totient is φ = 1040912220.

The previous prime is 1145003381. The next prime is 1145003459. The reversal of 1145003453 is 3543005411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1145003453 - 2³⁰ = 71261629 is a prime.

It is a super-2 number, since 2×1145003453² = 2622065814763846418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145003459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52045601 + ... + 52045622.

It is an arithmetic number, because the mean of its divisors is an integer number (312273672).

Almost surely, 2^1145003453 is an apocalyptic number.

It is an amenable number.

1145003453 is a deficient number, since it is larger than the sum of its proper divisors (104091235).

1145003453 is a wasteful number, since it uses less digits than its factorization.

1145003453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104091234.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1145003453 is about 33837.8996540861. The cubic root of 1145003453 is about 1046.1700082679.

Adding to 1145003453 its reverse (3543005411), we get a palindrome (4688008864).

The spelling of 1145003453 in words is "one billion, one hundred forty-five million, three thousand, four hundred fifty-three".