1153040453 has 16 divisors (see below), whose sum is σ = 1250800704. Its totient is φ = 1058914560.

The previous prime is 1153040431. The next prime is 1153040461. The reversal of 1153040453 is 3540403511.

It is a cyclic number.

It is not a de Polignac number, because 1153040453 - 2⁶ = 1153040389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153040423) 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, 117143 + ... + 126603.

It is an arithmetic number, because the mean of its divisors is an integer number (78175044).

Almost surely, 2^1153040453 is an apocalyptic number.

It is an amenable number.

1153040453 is a deficient number, since it is larger than the sum of its proper divisors (97760251).

1153040453 is a wasteful number, since it uses less digits than its factorization.

1153040453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9652.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1153040453 is about 33956.4493579644. The cubic root of 1153040453 is about 1048.6120597377.

Adding to 1153040453 its reverse (3540403511), we get a palindrome (4693443964).

The spelling of 1153040453 in words is "one billion, one hundred fifty-three million, forty thousand, four hundred fifty-three".