2154045524 has 24 divisors (see below), whose sum is σ = 3796178568. Its totient is φ = 1069441920.

The previous prime is 2154045497. The next prime is 2154045527. The reversal of 2154045524 is 4255404512.

It can be written as a sum of positive squares in 4 ways, for example, as 10355524 + 2143690000 = 3218^2 + 46300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154045527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575162 + ... + 578894.

It is an arithmetic number, because the mean of its divisors is an integer number (158174107).

Almost surely, 2^2154045524 is an apocalyptic number.

It is an amenable number.

2154045524 is a deficient number, since it is larger than the sum of its proper divisors (1642133044).

2154045524 is a wasteful number, since it uses less digits than its factorization.

2154045524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4715 (or 4713 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 2154045524 is about 46411.6959828016. The cubic root of 2154045524 is about 1291.4718940297.

The spelling of 2154045524 in words is "two billion, one hundred fifty-four million, forty-five thousand, five hundred twenty-four".