1146145244 has 12 divisors (see below), whose sum is σ = 2006700864. Its totient is φ = 572802144.

The previous prime is 1146145207. The next prime is 1146145249. The reversal of 1146145244 is 4425416411.

It is a self number, because there is not a number n which added to its sum of digits gives 1146145244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146145249) 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 3 ways as a sum of consecutive naturals, for example, 57932 + ... + 75155.

It is an arithmetic number, because the mean of its divisors is an integer number (167225072).

Almost surely, 2^1146145244 is an apocalyptic number.

It is an amenable number.

1146145244 is a deficient number, since it is larger than the sum of its proper divisors (860555620).

1146145244 is a wasteful number, since it uses less digits than its factorization.

1146145244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135244 (or 135242 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 1146145244 is about 33854.7669317040. The cubic root of 1146145244 is about 1046.5176376905.

The spelling of 1146145244 in words is "one billion, one hundred forty-six million, one hundred forty-five thousand, two hundred forty-four".