1145453 has 8 divisors (see below), whose sum is σ = 1216320. Its totient is φ = 1078668.

The previous prime is 1145429. The next prime is 1145461. The reversal of 1145453 is 3545411.

It is not a de Polignac number, because 1145453 - 2¹⁶ = 1079917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6776 + ... + 6942.

It is an arithmetic number, because the mean of its divisors is an integer number (152040).

2^1145453 is an apocalyptic number.

It is an amenable number.

1145453 is a deficient number, since it is larger than the sum of its proper divisors (70867).

1145453 is an frugal number, since it uses more digits than its factorization.

1145453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 186 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 1145453 is about 1070.2583800186. The cubic root of 1145453 is about 104.6306904814.

The spelling of 1145453 in words is "one million, one hundred forty-five thousand, four hundred fifty-three".