632145 has 32 divisors (see below), whose sum is σ = 1116288. Its totient is φ = 304128.

The previous prime is 632141. The next prime is 632147. The reversal of 632145 is 541236.

It is a happy number.

It is not a de Polignac number, because 632145 - 2² = 632141 is a prime.

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

632145 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 632145.

It is not an unprimeable number, because it can be changed into a prime (632141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9402 + ... + 9468.

It is an arithmetic number, because the mean of its divisors is an integer number (34884).

2⁶³²¹⁴⁵ is an apocalyptic number.

It is an amenable number.

632145 is a deficient number, since it is larger than the sum of its proper divisors (484143).

632145 is a wasteful number, since it uses less digits than its factorization.

632145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129.

The product of its digits is 720, while the sum is 21.

The square root of 632145 is about 795.0754681161. The cubic root of 632145 is about 85.8233710330.

Subtracting from 632145 its reverse (541236), we obtain a palindrome (90909).

It can be divided in two parts, 632 and 145, that added together give a palindrome (777).

The spelling of 632145 in words is "six hundred thirty-two thousand, one hundred forty-five".