39242145 has 8 divisors (see below), whose sum is σ = 62787456. Its totient is φ = 20929136.

The previous prime is 39242141. The next prime is 39242149. The reversal of 39242145 is 54124293.

It is an interprime number because it is at equal distance from previous prime (39242141) and next prime (39242149).

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

It is a cyclic number.

It is not a de Polignac number, because 39242145 - 2² = 39242141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39242141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308057 + ... + 1308086.

It is an arithmetic number, because the mean of its divisors is an integer number (7848432).

Almost surely, 2^39242145 is an apocalyptic number.

It is an amenable number.

39242145 is a deficient number, since it is larger than the sum of its proper divisors (23545311).

39242145 is a wasteful number, since it uses less digits than its factorization.

39242145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616151.

The product of its digits is 8640, while the sum is 30.

The square root of 39242145 is about 6264.3551144551. The cubic root of 39242145 is about 339.8215470684.

The spelling of 39242145 in words is "thirty-nine million, two hundred forty-two thousand, one hundred forty-five".