1145341453 has 4 divisors (see below), whose sum is σ = 1164754080. Its totient is φ = 1125928828.

The previous prime is 1145341423. The next prime is 1145341471. The reversal of 1145341453 is 3541435411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3541435411 = 59 ⋅60024329.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145341453 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 (1145341423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9706225 + ... + 9706342.

It is an arithmetic number, because the mean of its divisors is an integer number (291188520).

Almost surely, 2^1145341453 is an apocalyptic number.

It is an amenable number.

1145341453 is a deficient number, since it is larger than the sum of its proper divisors (19412627).

1145341453 is an equidigital number, since it uses as much as digits as its factorization.

1145341453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19412626.

The product of its digits is 14400, while the sum is 31.

The square root of 1145341453 is about 33842.8936853810. The cubic root of 1145341453 is about 1046.2729397404.

Adding to 1145341453 its reverse (3541435411), we get a palindrome (4686776864).

The spelling of 1145341453 in words is "one billion, one hundred forty-five million, three hundred forty-one thousand, four hundred fifty-three".