4140345 has 32 divisors (see below), whose sum is σ = 7547904. Its totient is φ = 1918400.

The previous prime is 4140287. The next prime is 4140361. The reversal of 4140345 is 5430414.

It is not a de Polignac number, because 4140345 - 2⁶ = 4140281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3250 + ... + 4340.

It is an arithmetic number, because the mean of its divisors is an integer number (235872).

Almost surely, 2^4140345 is an apocalyptic number.

It is an amenable number.

4140345 is a deficient number, since it is larger than the sum of its proper divisors (3407559).

4140345 is a wasteful number, since it uses less digits than its factorization.

4140345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4140345 is about 2034.7837722962. The cubic root of 4140345 is about 160.5753375414.

Adding to 4140345 its reverse (5430414), we get a palindrome (9570759).

The spelling of 4140345 in words is "four million, one hundred forty thousand, three hundred forty-five".