39542245 has 8 divisors (see below), whose sum is σ = 48608280. Its totient is φ = 30862080.

The previous prime is 39542201. The next prime is 39542273. The reversal of 39542245 is 54224593.

It can be written as a sum of positive squares in 4 ways, for example, as 15876 + 39526369 = 126^2 + 6287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39542245 - 2¹⁷ = 39411173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39542245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96240 + ... + 96649.

It is an arithmetic number, because the mean of its divisors is an integer number (6076035).

Almost surely, 2^39542245 is an apocalyptic number.

It is an amenable number.

39542245 is a deficient number, since it is larger than the sum of its proper divisors (9066035).

39542245 is a wasteful number, since it uses less digits than its factorization.

39542245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192935.

The product of its digits is 43200, while the sum is 34.

The square root of 39542245 is about 6288.2624786184. The cubic root of 39542245 is about 340.6855975572.

The spelling of 39542245 in words is "thirty-nine million, five hundred forty-two thousand, two hundred forty-five".