1153344453 has 16 divisors (see below), whose sum is σ = 1621205376. Its totient is φ = 727879680.

The previous prime is 1153344443. The next prime is 1153344461. The reversal of 1153344453 is 3544433511.

1153344453 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1153344453 - 2⁶ = 1153344389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153344443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79468 + ... + 92853.

It is an arithmetic number, because the mean of its divisors is an integer number (101325336).

Almost surely, 2^1153344453 is an apocalyptic number.

It is an amenable number.

1153344453 is a deficient number, since it is larger than the sum of its proper divisors (467860923).

1153344453 is a wasteful number, since it uses less digits than its factorization.

1153344453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172444.

The product of its digits is 43200, while the sum is 33.

The square root of 1153344453 is about 33960.9253849185. The cubic root of 1153344453 is about 1048.7042074312.

Adding to 1153344453 its reverse (3544433511), we get a palindrome (4697777964).

The spelling of 1153344453 in words is "one billion, one hundred fifty-three million, three hundred forty-four thousand, four hundred fifty-three".