2145500504 has 64 divisors (see below), whose sum is σ = 5035867200. Its totient is φ = 835559424.

The previous prime is 2145500491. The next prime is 2145500531. The reversal of 2145500504 is 4050055412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11249 + ... + 66464.

It is an arithmetic number, because the mean of its divisors is an integer number (78685425).

Almost surely, 2^2145500504 is an apocalyptic number.

It is an amenable number.

2145500504 is an abundant number, since it is smaller than the sum of its proper divisors (2890366696).

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

2145500504 is a wasteful number, since it uses less digits than its factorization.

2145500504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77772 (or 77768 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2145500504 is about 46319.5477525418. The cubic root of 2145500504 is about 1289.7618902307.

Adding to 2145500504 its reverse (4050055412), we get a palindrome (6195555916).

The spelling of 2145500504 in words is "two billion, one hundred forty-five million, five hundred thousand, five hundred four".