655200045 has 48 divisors (see below), whose sum is σ = 1197134640. Its totient is φ = 330989568.

The previous prime is 655200019. The next prime is 655200053. The reversal of 655200045 is 540002556.

655200045 is a `hidden beast` number, since 655 + 2 + 0 + 0 + 0 + 4 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 83942244 + 571257801 = 9162^2 + 23901^2 .

It is not a de Polignac number, because 655200045 - 2⁷ = 655199917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655199991 and 655200018.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64429 + ... + 73901.

It is an arithmetic number, because the mean of its divisors is an integer number (24940305).

Almost surely, 2^655200045 is an apocalyptic number.

It is an amenable number.

655200045 is a deficient number, since it is larger than the sum of its proper divisors (541934595).

655200045 is a wasteful number, since it uses less digits than its factorization.

655200045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9566 (or 9563 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 655200045 is about 25596.8756882554. The cubic root of 655200045 is about 868.5429634824.

The spelling of 655200045 in words is "six hundred fifty-five million, two hundred thousand, forty-five".