1155141453 has 4 divisors (see below), whose sum is σ = 1540188608. Its totient is φ = 770094300.

The previous prime is 1155141433. The next prime is 1155141467. The reversal of 1155141453 is 3541415511.

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 not a de Polignac number, because 1155141453 - 2⁶ = 1155141389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1155141453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155141433) 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, 192523573 + ... + 192523578.

It is an arithmetic number, because the mean of its divisors is an integer number (385047152).

Almost surely, 2^1155141453 is an apocalyptic number.

It is an amenable number.

1155141453 is a deficient number, since it is larger than the sum of its proper divisors (385047155).

1155141453 is an equidigital number, since it uses as much as digits as its factorization.

1155141453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385047154.

The product of its digits is 6000, while the sum is 30.

The square root of 1155141453 is about 33987.3719637162. The cubic root of 1155141453 is about 1049.2485789353.

Adding to 1155141453 its reverse (3541415511), we get a palindrome (4696556964).

The spelling of 1155141453 in words is "one billion, one hundred fifty-five million, one hundred forty-one thousand, four hundred fifty-three".