2145715504 has 40 divisors (see below), whose sum is σ = 4234135248. Its totient is φ = 1053108480.

The previous prime is 2145715493. The next prime is 2145715511. The reversal of 2145715504 is 4055175412.

It is a self number, because there is not a number n which added to its sum of digits gives 2145715504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541659 + ... + 545605.

Almost surely, 2^2145715504 is an apocalyptic number.

It is an amenable number.

2145715504 is a deficient number, since it is larger than the sum of its proper divisors (2088419744).

2145715504 is a wasteful number, since it uses less digits than its factorization.

2145715504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573 (or 4567 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 2145715504 is about 46321.8685288061. The cubic root of 2145715504 is about 1289.8049710167.

The spelling of 2145715504 in words is "two billion, one hundred forty-five million, seven hundred fifteen thousand, five hundred four".