1005143464 has 16 divisors (see below), whose sum is σ = 2029616820. Its totient is φ = 463912320.

The previous prime is 1005143459. The next prime is 1005143501. The reversal of 1005143464 is 4643415001.

It can be written as a sum of positive squares in 2 ways, for example, as 1004256100 + 887364 = 31690^2 + 942^2 .

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, 4832317 + ... + 4832524.

Almost surely, 2^1005143464 is an apocalyptic number.

It is an amenable number.

1005143464 is an abundant number, since it is smaller than the sum of its proper divisors (1024473356).

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

1005143464 is a wasteful number, since it uses less digits than its factorization.

1005143464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9664860 (or 9664856 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1005143464 is about 31703.9976028261. The cubic root of 1005143464 is about 1001.7115569017.

Adding to 1005143464 its reverse (4643415001), we get a palindrome (5648558465).

The spelling of 1005143464 in words is "one billion, five million, one hundred forty-three thousand, four hundred sixty-four".