1145648944 has 40 divisors (see below), whose sum is σ = 2504995920. Its totient is φ = 502790400.

The previous prime is 1145648899. The next prime is 1145648951. The reversal of 1145648944 is 4498465411.

It is a junction number, because it is equal to n+sod(n) for n = 1145648894 and 1145648903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107127 + ... + 117334.

It is an arithmetic number, because the mean of its divisors is an integer number (62624898).

Almost surely, 2^1145648944 is an apocalyptic number.

It is an amenable number.

1145648944 is an abundant number, since it is smaller than the sum of its proper divisors (1359346976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145648944 is a wasteful number, since it uses less digits than its factorization.

1145648944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224509 (or 224503 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 1145648944 is about 33847.4362987804. The cubic root of 1145648944 is about 1046.3665626872.

The spelling of 1145648944 in words is "one billion, one hundred forty-five million, six hundred forty-eight thousand, nine hundred forty-four".