42349245 has 8 divisors (see below), whose sum is σ = 67758816. Its totient is φ = 22586256.

The previous prime is 42349217. The next prime is 42349249. The reversal of 42349245 is 54294324.

42349245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42349245 - 2¹³ = 42341053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42349249) 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 7 ways as a sum of consecutive naturals, for example, 1411627 + ... + 1411656.

It is an arithmetic number, because the mean of its divisors is an integer number (8469852).

Almost surely, 2^42349245 is an apocalyptic number.

It is an amenable number.

42349245 is a deficient number, since it is larger than the sum of its proper divisors (25409571).

42349245 is a wasteful number, since it uses less digits than its factorization.

42349245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823291.

The product of its digits is 34560, while the sum is 33.

The square root of 42349245 is about 6507.6297528363. The cubic root of 42349245 is about 348.5634862970.

The spelling of 42349245 in words is "forty-two million, three hundred forty-nine thousand, two hundred forty-five".