207045 has 24 divisors (see below), whose sum is σ = 370656. Its totient is φ = 106848.

The previous prime is 207041. The next prime is 207061. The reversal of 207045 is 540702.

It is a happy number.

It is not a de Polignac number, because 207045 - 2² = 207041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207041) 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, 1882 + ... + 1988.

It is an arithmetic number, because the mean of its divisors is an integer number (15444).

2²⁰⁷⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

207045 is a deficient number, since it is larger than the sum of its proper divisors (163611).

207045 is a wasteful number, since it uses less digits than its factorization.

207045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 207045 is about 455.0219774912. The cubic root of 207045 is about 59.1591032674.

Adding to 207045 its reverse (540702), we get a palindrome (747747).

The spelling of 207045 in words is "two hundred seven thousand, forty-five".