1152445451 has 16 divisors (see below), whose sum is σ = 1195603200. Its totient is φ = 1110127200.

The previous prime is 1152445447. The next prime is 1152445501. The reversal of 1152445451 is 1545442511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1152445451 - 2² = 1152445447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152445051) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1923650 + ... + 1924248.

It is an arithmetic number, because the mean of its divisors is an integer number (74725200).

Almost surely, 2^1152445451 is an apocalyptic number.

1152445451 is a deficient number, since it is larger than the sum of its proper divisors (43157749).

1152445451 is a wasteful number, since it uses less digits than its factorization.

1152445451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186.

The product of its digits is 16000, while the sum is 32.

The square root of 1152445451 is about 33947.6869756984. The cubic root of 1152445451 is about 1048.4316573869.

Adding to 1152445451 its reverse (1545442511), we get a palindrome (2697887962).

The spelling of 1152445451 in words is "one billion, one hundred fifty-two million, four hundred forty-five thousand, four hundred fifty-one".