32397145 has 12 divisors (see below), whose sum is σ = 42732900. Its totient is φ = 23561120.

The previous prime is 32397143. The next prime is 32397149. The reversal of 32397145 is 54179323.

It can be written as a sum of positive squares in 2 ways, for example, as 4052169 + 28344976 = 2013^2 + 5324^2 .

It is not a de Polignac number, because 32397145 - 2¹ = 32397143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32397145.

It is not an unprimeable number, because it can be changed into a prime (32397143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26170 + ... + 27379.

It is an arithmetic number, because the mean of its divisors is an integer number (3561075).

Almost surely, 2^32397145 is an apocalyptic number.

It is an amenable number.

32397145 is a deficient number, since it is larger than the sum of its proper divisors (10335755).

32397145 is a wasteful number, since it uses less digits than its factorization.

32397145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53576 (or 53565 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 32397145 is about 5691.8489965915. The cubic root of 32397145 is about 318.7882066210.

The spelling of 32397145 in words is "thirty-two million, three hundred ninety-seven thousand, one hundred forty-five".