63445132 has 12 divisors (see below), whose sum is σ = 115856496. Its totient is φ = 30343280.

The previous prime is 63445097. The next prime is 63445141. The reversal of 63445132 is 23154436.

It is a self number, because there is not a number n which added to its sum of digits gives 63445132.

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, 344719 + ... + 344902.

It is an arithmetic number, because the mean of its divisors is an integer number (9654708).

Almost surely, 2^63445132 is an apocalyptic number.

It is an amenable number.

63445132 is a deficient number, since it is larger than the sum of its proper divisors (52411364).

63445132 is a wasteful number, since it uses less digits than its factorization.

63445132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689648 (or 689646 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 63445132 is about 7965.2452567388. The cubic root of 63445132 is about 398.8406681202.

Adding to 63445132 its reverse (23154436), we get a palindrome (86599568).

It can be divided in two parts, 6344 and 5132, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 63445132 in words is "sixty-three million, four hundred forty-five thousand, one hundred thirty-two".