2154245524 has 24 divisors (see below), whose sum is σ = 3937459680. Its totient is φ = 1030244256.

The previous prime is 2154245497. The next prime is 2154245543. The reversal of 2154245524 is 4255424512.

It is a self number, because there is not a number n which added to its sum of digits gives 2154245524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114622 + ... + 132085.

It is an arithmetic number, because the mean of its divisors is an integer number (164060820).

Almost surely, 2^2154245524 is an apocalyptic number.

It is an amenable number.

2154245524 is a deficient number, since it is larger than the sum of its proper divisors (1783214156).

2154245524 is a wasteful number, since it uses less digits than its factorization.

2154245524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246807 (or 246805 counting only the distinct ones).

The product of its digits is 64000, while the sum is 34.

The square root of 2154245524 is about 46413.8505620898. The cubic root of 2154245524 is about 1291.5118632229.

The spelling of 2154245524 in words is "two billion, one hundred fifty-four million, two hundred forty-five thousand, five hundred twenty-four".