39042245 has 16 divisors (see below), whose sum is σ = 53801280. Its totient is φ = 26899200.

The previous prime is 39042239. The next prime is 39042271. The reversal of 39042245 is 54224093.

It is not a de Polignac number, because 39042245 - 2⁴ = 39042229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17636 + ... + 19725.

It is an arithmetic number, because the mean of its divisors is an integer number (3362580).

Almost surely, 2^39042245 is an apocalyptic number.

It is an amenable number.

39042245 is a deficient number, since it is larger than the sum of its proper divisors (14759035).

39042245 is a wasteful number, since it uses less digits than its factorization.

39042245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37396.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 39042245 is about 6248.3793898898. The cubic root of 39042245 is about 339.2435460375.

The spelling of 39042245 in words is "thirty-nine million, forty-two thousand, two hundred forty-five".