2145708808 has 8 divisors (see below), whose sum is σ = 4023204030. Its totient is φ = 1072854400.

The previous prime is 2145708797. The next prime is 2145708827. The reversal of 2145708808 is 8088075412.

It can be written as a sum of positive squares in only one way, i.e., 1171145284 + 974563524 = 34222^2 + 31218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134106793 + ... + 134106808.

Almost surely, 2^2145708808 is an apocalyptic number.

It is an amenable number.

2145708808 is a deficient number, since it is larger than the sum of its proper divisors (1877495222).

2145708808 is a wasteful number, since it uses less digits than its factorization.

2145708808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268213607 (or 268213603 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 2145708808 is about 46321.7962518726. The cubic root of 2145708808 is about 1289.8036293442.

The spelling of 2145708808 in words is "two billion, one hundred forty-five million, seven hundred eight thousand, eight hundred eight".