2145553504 has 48 divisors (see below), whose sum is σ = 4276477296. Its totient is φ = 1059520000.

The previous prime is 2145553481. The next prime is 2145553513. The reversal of 2145553504 is 4053555412.

It is a self number, because there is not a number n which added to its sum of digits gives 2145553504.

It is a congruent number.

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, 2265159 + ... + 2266105.

It is an arithmetic number, because the mean of its divisors is an integer number (89093277).

Almost surely, 2^2145553504 is an apocalyptic number.

It is an amenable number.

2145553504 is a deficient number, since it is larger than the sum of its proper divisors (2130923792).

2145553504 is a wasteful number, since it uses less digits than its factorization.

2145553504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 2145553504 is about 46320.1198616757. The cubic root of 2145553504 is about 1289.7725104127.

The spelling of 2145553504 in words is "two billion, one hundred forty-five million, five hundred fifty-three thousand, five hundred four".