1153144451 has 8 divisors (see below), whose sum is σ = 1159075008. Its totient is φ = 1147225000.

The previous prime is 1153144397. The next prime is 1153144453. The reversal of 1153144451 is 1544413511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1153144451 - 2⁶ = 1153144387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153144453) 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, 271736 + ... + 275946.

It is an arithmetic number, because the mean of its divisors is an integer number (144884376).

Almost surely, 2^1153144451 is an apocalyptic number.

1153144451 is a deficient number, since it is larger than the sum of its proper divisors (5930557).

1153144451 is a wasteful number, since it uses less digits than its factorization.

1153144451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553.

The product of its digits is 4800, while the sum is 29.

The square root of 1153144451 is about 33957.9806672894. The cubic root of 1153144451 is about 1048.6435851649.

Adding to 1153144451 its reverse (1544413511), we get a palindrome (2697557962).

The spelling of 1153144451 in words is "one billion, one hundred fifty-three million, one hundred forty-four thousand, four hundred fifty-one".