632145232 has 10 divisors (see below), whose sum is σ = 1224781418. Its totient is φ = 316072608.

The previous prime is 632145229. The next prime is 632145247. The reversal of 632145232 is 232541236.

It can be written as a sum of positive squares in only one way, i.e., 584865856 + 47279376 = 24184^2 + 6876^2 .

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 632145232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19754523 + ... + 19754554.

Almost surely, 2^632145232 is an apocalyptic number.

It is an amenable number.

632145232 is a deficient number, since it is larger than the sum of its proper divisors (592636186).

632145232 is a wasteful number, since it uses less digits than its factorization.

632145232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39509085 (or 39509079 counting only the distinct ones).

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

The square root of 632145232 is about 25142.4985234165. The cubic root of 632145232 is about 858.2338153218.

Adding to 632145232 its reverse (232541236), we get a palindrome (864686468).

The spelling of 632145232 in words is "six hundred thirty-two million, one hundred forty-five thousand, two hundred thirty-two".