4200345 has 24 divisors (see below), whose sum is σ = 7517952. Its totient is φ = 2167200.

The previous prime is 4200341. The next prime is 4200397. The reversal of 4200345 is 5430024.

It is a happy number.

It is not a de Polignac number, because 4200345 - 2² = 4200341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4200341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111 + ... + 2900.

It is an arithmetic number, because the mean of its divisors is an integer number (313248).

Almost surely, 2^4200345 is an apocalyptic number.

4200345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4200345 is a deficient number, since it is larger than the sum of its proper divisors (3317607).

4200345 is a wasteful number, since it uses less digits than its factorization.

4200345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053 (or 3050 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4200345 is about 2049.4743228448. The cubic root of 4200345 is about 161.3472822028.

Adding to 4200345 its reverse (5430024), we get a palindrome (9630369).

The spelling of 4200345 in words is "four million, two hundred thousand, three hundred forty-five".