2145248696 has 8 divisors (see below), whose sum is σ = 4022341320. Its totient is φ = 1072624344.

The previous prime is 2145248689. The next prime is 2145248711. The reversal of 2145248696 is 6968425412.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2145248696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134078036 + ... + 134078051.

It is an arithmetic number, because the mean of its divisors is an integer number (502792665).

Almost surely, 2^2145248696 is an apocalyptic number.

It is an amenable number.

2145248696 is a deficient number, since it is larger than the sum of its proper divisors (1877092624).

2145248696 is a wasteful number, since it uses less digits than its factorization.

2145248696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268156093 (or 268156089 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 2145248696 is about 46316.8295115285. The cubic root of 2145248696 is about 1289.7114303547.

The spelling of 2145248696 in words is "two billion, one hundred forty-five million, two hundred forty-eight thousand, six hundred ninety-six".