655145200 has 30 divisors (see below), whose sum is σ = 1573987304. Its totient is φ = 262057920.

The previous prime is 655145159. The next prime is 655145221. The reversal of 655145200 is 2541556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 818532 + ... + 819331.

Almost surely, 2^655145200 is an apocalyptic number.

It is an amenable number.

655145200 is an abundant number, since it is smaller than the sum of its proper divisors (918842104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655145200 is a wasteful number, since it uses less digits than its factorization.

655145200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637881 (or 1637870 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 655145200 is about 25595.8043436810. The cubic root of 655145200 is about 868.5187283559.

Adding to 655145200 its reverse (2541556), we get a palindrome (657686756).

The spelling of 655145200 in words is "six hundred fifty-five million, one hundred forty-five thousand, two hundred".