32145939 has 12 divisors (see below), whose sum is σ = 53066416. Its totient is φ = 18369072.

The previous prime is 32145917. The next prime is 32145943. The reversal of 32145939 is 93954123.

It is a happy number.

It is not a de Polignac number, because 32145939 - 2⁸ = 32145683 is a prime.

It is a super-2 number, since 2×32145939² = 2066722788383442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32145989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255064 + ... + 255189.

Almost surely, 2^32145939 is an apocalyptic number.

32145939 is a deficient number, since it is larger than the sum of its proper divisors (20920477).

32145939 is a wasteful number, since it uses less digits than its factorization.

32145939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510266 (or 510263 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 32145939 is about 5669.7388828764. The cubic root of 32145939 is about 317.9621113041.

The spelling of 32145939 in words is "thirty-two million, one hundred forty-five thousand, nine hundred thirty-nine".