8145655900 has 36 divisors (see below), whose sum is σ = 17739946168. Its totient is φ = 3246488640.

The previous prime is 8145655897. The next prime is 8145655909. The reversal of 8145655900 is 95565418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145655909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119334 + ... + 174733.

Almost surely, 2^8145655900 is an apocalyptic number.

It is an amenable number.

8145655900 is an abundant number, since it is smaller than the sum of its proper divisors (9594290268).

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

8145655900 is a wasteful number, since it uses less digits than its factorization.

8145655900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294358 (or 294351 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 8145655900 is about 90253.2874747507. The cubic root of 8145655900 is about 2012.0650624458.

The spelling of 8145655900 in words is "eight billion, one hundred forty-five million, six hundred fifty-five thousand, nine hundred".