32012145 has 32 divisors (see below), whose sum is σ = 62087040. Its totient is φ = 15520320.

The previous prime is 32012107. The next prime is 32012147. The reversal of 32012145 is 54121023.

It is not a de Polignac number, because 32012145 - 2⁹ = 32011633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32012147) 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, 9294 + ... + 12263.

It is an arithmetic number, because the mean of its divisors is an integer number (1940220).

Almost surely, 2^32012145 is an apocalyptic number.

It is an amenable number.

32012145 is a deficient number, since it is larger than the sum of its proper divisors (30074895).

32012145 is a wasteful number, since it uses less digits than its factorization.

32012145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21582 (or 21576 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 32012145 is about 5657.9276241394. The cubic root of 32012145 is about 317.5203698672.

Adding to 32012145 its reverse (54121023), we get a palindrome (86133168).

The spelling of 32012145 in words is "thirty-two million, twelve thousand, one hundred forty-five".