32142385 has 16 divisors (see below), whose sum is σ = 43908480. Its totient is φ = 22359040.

The previous prime is 32142377. The next prime is 32142389. The reversal of 32142385 is 58324123.

It is not a de Polignac number, because 32142385 - 2³ = 32142377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32142389) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11440 + ... + 13969.

It is an arithmetic number, because the mean of its divisors is an integer number (2744280).

Almost surely, 2^32142385 is an apocalyptic number.

It is an amenable number.

32142385 is a deficient number, since it is larger than the sum of its proper divisors (11766095).

32142385 is a wasteful number, since it uses less digits than its factorization.

32142385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25448.

The product of its digits is 5760, while the sum is 28.

The square root of 32142385 is about 5669.4254558994. The cubic root of 32142385 is about 317.9503930899.

The spelling of 32142385 in words is "thirty-two million, one hundred forty-two thousand, three hundred eighty-five".