1004452144 has 20 divisors (see below), whose sum is σ = 1961453824. Its totient is φ = 498270528.

The previous prime is 1004452103. The next prime is 1004452177. The reversal of 1004452144 is 4412544001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245127 + ... + 249190.

Almost surely, 2^1004452144 is an apocalyptic number.

It is an amenable number.

1004452144 is a deficient number, since it is larger than the sum of its proper divisors (957001680).

1004452144 is a wasteful number, since it uses less digits than its factorization.

1004452144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494452 (or 494446 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1004452144 is about 31693.0930014727. The cubic root of 1004452144 is about 1001.4818510329.

Adding to 1004452144 its reverse (4412544001), we get a palindrome (5416996145).

The spelling of 1004452144 in words is "one billion, four million, four hundred fifty-two thousand, one hundred forty-four".