39144485 has 16 divisors (see below), whose sum is σ = 47752320. Its totient is φ = 30801600.

The previous prime is 39144481. The next prime is 39144487. The reversal of 39144485 is 58444193.

It is not a de Polignac number, because 39144485 - 2² = 39144481 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39144481) 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 15 ways as a sum of consecutive naturals, for example, 104759 + ... + 105131.

It is an arithmetic number, because the mean of its divisors is an integer number (2984520).

Almost surely, 2^39144485 is an apocalyptic number.

It is an amenable number.

39144485 is a deficient number, since it is larger than the sum of its proper divisors (8607835).

39144485 is a wasteful number, since it uses less digits than its factorization.

39144485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668.

The product of its digits is 69120, while the sum is 38.

The square root of 39144485 is about 6256.5553621781. Note that the first 3 decimals coincide. The cubic root of 39144485 is about 339.5394138273.

The spelling of 39144485 in words is "thirty-nine million, one hundred forty-four thousand, four hundred eighty-five".