32145630 has 64 divisors (see below), whose sum is σ = 87091200. Its totient is φ = 7521920.

The previous prime is 32145629. The next prime is 32145647. The reversal of 32145630 is 3654123.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 32145630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7891 + ... + 11249.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 2^32145630 is an apocalyptic number.

32145630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32145630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43545600).

32145630 is an abundant number, since it is smaller than the sum of its proper divisors (54945570).

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

32145630 is a wasteful number, since it uses less digits than its factorization.

32145630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 32145630 is about 5669.7116328787. The cubic root of 32145630 is about 317.9610925066.

Adding to 32145630 its reverse (3654123), we get a palindrome (35799753).

The spelling of 32145630 in words is "thirty-two million, one hundred forty-five thousand, six hundred thirty".