1155354453 has 24 divisors (see below), whose sum is σ = 1838599776. Its totient is φ = 693276000.

The previous prime is 1155354449. The next prime is 1155354467. The reversal of 1155354453 is 3544535511.

1155354453 is a `hidden beast` number, since 1 + 1 + 553 + 54 + 4 + 53 = 666.

It is not a de Polignac number, because 1155354453 - 2² = 1155354449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155354443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47775 + ... + 67772.

It is an arithmetic number, because the mean of its divisors is an integer number (76608324).

Almost surely, 2^1155354453 is an apocalyptic number.

It is an amenable number.

1155354453 is a deficient number, since it is larger than the sum of its proper divisors (683245323).

1155354453 is a wasteful number, since it uses less digits than its factorization.

1155354453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115665 (or 115662 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 1155354453 is about 33990.5053360494. The cubic root of 1155354453 is about 1049.3130663368.

Adding to 1155354453 its reverse (3544535511), we get a palindrome (4699889964).

The spelling of 1155354453 in words is "one billion, one hundred fifty-five million, three hundred fifty-four thousand, four hundred fifty-three".