42093345 has 32 divisors (see below), whose sum is σ = 78769152. Its totient is φ = 18793152.

The previous prime is 42093329. The next prime is 42093349. The reversal of 42093345 is 54339024.

It is not a de Polignac number, because 42093345 - 2⁴ = 42093329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42093349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147 + ... + 9176.

It is an arithmetic number, because the mean of its divisors is an integer number (2461536).

Almost surely, 2^42093345 is an apocalyptic number.

It is an amenable number.

42093345 is a deficient number, since it is larger than the sum of its proper divisors (36675807).

42093345 is a wasteful number, since it uses less digits than its factorization.

42093345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9381.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 42093345 is about 6487.9384244920. The cubic root of 42093345 is about 347.8599895883.

The spelling of 42093345 in words is "forty-two million, ninety-three thousand, three hundred forty-five".