32145530 has 32 divisors (see below), whose sum is σ = 61205760. Its totient is φ = 12121920.

The previous prime is 32145527. The next prime is 32145539. The reversal of 32145530 is 3554123.

It is a junction number, because it is equal to n+sod(n) for n = 32145496 and 32145505.

It is not an unprimeable number, because it can be changed into a prime (32145539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69500 + ... + 69960.

It is an arithmetic number, because the mean of its divisors is an integer number (1912680).

Almost surely, 2^32145530 is an apocalyptic number.

32145530 is a deficient number, since it is larger than the sum of its proper divisors (29060230).

32145530 is a wasteful number, since it uses less digits than its factorization.

32145530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 32145530 is about 5669.7028140812. The cubic root of 32145530 is about 317.9607627972.

Adding to 32145530 its reverse (3554123), we get a palindrome (35699653).

The spelling of 32145530 in words is "thirty-two million, one hundred forty-five thousand, five hundred thirty".