1153445455 has 4 divisors (see below), whose sum is σ = 1384134552. Its totient is φ = 922756360.

The previous prime is 1153445411. The next prime is 1153445467. The reversal of 1153445455 is 5545443511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5545443511 = 51769 ⋅107119.

It is not a de Polignac number, because 1153445455 - 2⁷ = 1153445327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115344541 + ... + 115344550.

It is an arithmetic number, because the mean of its divisors is an integer number (346033638).

Almost surely, 2^1153445455 is an apocalyptic number.

1153445455 is a deficient number, since it is larger than the sum of its proper divisors (230689097).

1153445455 is an equidigital number, since it uses as much as digits as its factorization.

1153445455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230689096.

The product of its digits is 120000, while the sum is 37.

The square root of 1153445455 is about 33962.4123848704. The cubic root of 1153445455 is about 1048.7348193126.

Adding to 1153445455 its reverse (5545443511), we get a palindrome (6698888966).

The spelling of 1153445455 in words is "one billion, one hundred fifty-three million, four hundred forty-five thousand, four hundred fifty-five".