1153452244 has 24 divisors (see below), whose sum is σ = 2442605760. Its totient is φ = 465257856.

The previous prime is 1153452241. The next prime is 1153452257. The reversal of 1153452244 is 4422543511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153452241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211134 + ... + 1212085.

It is an arithmetic number, because the mean of its divisors is an integer number (101775240).

Almost surely, 2^1153452244 is an apocalyptic number.

1153452244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1153452244 is an abundant number, since it is smaller than the sum of its proper divisors (1289153516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153452244 is a wasteful number, since it uses less digits than its factorization.

1153452244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423247 (or 2423245 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 1153452244 is about 33962.5123334538. The cubic root of 1153452244 is about 1048.7368768717.

Adding to 1153452244 its reverse (4422543511), we get a palindrome (5575995755).

The spelling of 1153452244 in words is "one billion, one hundred fifty-three million, four hundred fifty-two thousand, two hundred forty-four".