1145451448 has 16 divisors (see below), whose sum is σ = 2158968960. Its totient is φ = 569726400.

The previous prime is 1145451431. The next prime is 1145451467. The reversal of 1145451448 is 8441545411.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 373293 + ... + 376348.

It is an arithmetic number, because the mean of its divisors is an integer number (134935560).

Almost surely, 2^1145451448 is an apocalyptic number.

It is an amenable number.

1145451448 is a deficient number, since it is larger than the sum of its proper divisors (1013517512).

1145451448 is a wasteful number, since it uses less digits than its factorization.

1145451448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749838 (or 749834 counting only the distinct ones).

The product of its digits is 51200, while the sum is 37.

The square root of 1145451448 is about 33844.5187290350. The cubic root of 1145451448 is about 1046.3064322585.

Adding to 1145451448 its reverse (8441545411), we get a palindrome (9586996859).

The spelling of 1145451448 in words is "one billion, one hundred forty-five million, four hundred fifty-one thousand, four hundred forty-eight".