1155453 has 24 divisors (see below), whose sum is σ = 1739232. Its totient is φ = 681408.

The previous prime is 1155449. The next prime is 1155457. The reversal of 1155453 is 3545511.

It is an interprime number because it is at equal distance from previous prime (1155449) and next prime (1155457).

It is not a de Polignac number, because 1155453 - 2² = 1155449 is a prime.

Its product of digits (1500) is a multiple of the sum of its prime factors (125).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155457) 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 23 ways as a sum of consecutive naturals, for example, 21775 + ... + 21827.

It is an arithmetic number, because the mean of its divisors is an integer number (72468).

2^1155453 is an apocalyptic number.

1155453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1155453 is a deficient number, since it is larger than the sum of its proper divisors (583779).

1155453 is a wasteful number, since it uses less digits than its factorization.

1155453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 112 counting only the distinct ones).

The product of its digits is 1500, while the sum is 24.

The square root of 1155453 is about 1074.9199970230. The cubic root of 1155453 is about 104.9342899523.

The spelling of 1155453 in words is "one million, one hundred fifty-five thousand, four hundred fifty-three".