3200145 has 16 divisors (see below), whose sum is σ = 5514432. Its totient is φ = 1575360.

The previous prime is 3200137. The next prime is 3200149. The reversal of 3200145 is 5410023.

It is not a de Polignac number, because 3200145 - 2³ = 3200137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (3200149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8011 + ... + 8400.

It is an arithmetic number, because the mean of its divisors is an integer number (344652).

Almost surely, 2^3200145 is an apocalyptic number.

It is an amenable number.

3200145 is a deficient number, since it is larger than the sum of its proper divisors (2314287).

3200145 is a wasteful number, since it uses less digits than its factorization.

3200145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16432.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 3200145 is about 1788.8949102728. The cubic root of 3200145 is about 147.3634856810.

Adding to 3200145 its reverse (5410023), we get a palindrome (8610168).

The spelling of 3200145 in words is "three million, two hundred thousand, one hundred forty-five".