2154004544 has 14 divisors (see below), whose sum is σ = 4274352894. Its totient is φ = 1077002240.

The previous prime is 2154004471. The next prime is 2154004561. The reversal of 2154004544 is 4454004512.

It can be written as a sum of positive squares in only one way, i.e., 2141838400 + 12166144 = 46280^2 + 3488^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16828097 + ... + 16828224.

It is an arithmetic number, because the mean of its divisors is an integer number (305310921).

Almost surely, 2^2154004544 is an apocalyptic number.

It is an amenable number.

2154004544 is a deficient number, since it is larger than the sum of its proper divisors (2120348350).

2154004544 is an equidigital number, since it uses as much as digits as its factorization.

2154004544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33656333 (or 33656323 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 2154004544 is about 46411.2544971583. The cubic root of 2154004544 is about 1291.4637040366.

The spelling of 2154004544 in words is "two billion, one hundred fifty-four million, four thousand, five hundred forty-four".