2154003445 has 32 divisors (see below), whose sum is σ = 2990183040. Its totient is φ = 1472163840.

The previous prime is 2154003427. The next prime is 2154003463. The reversal of 2154003445 is 5443004512.

It is an interprime number because it is at equal distance from previous prime (2154003427) and next prime (2154003463).

It is not a de Polignac number, because 2154003445 - 2⁷ = 2154003317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 824301 + ... + 826909.

It is an arithmetic number, because the mean of its divisors is an integer number (93443220).

Almost surely, 2^2154003445 is an apocalyptic number.

It is an amenable number.

2154003445 is a deficient number, since it is larger than the sum of its proper divisors (836179595).

2154003445 is a wasteful number, since it uses less digits than its factorization.

2154003445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2154003445 is about 46411.2426573562. The cubic root of 2154003445 is about 1291.4634843963.

Adding to 2154003445 its reverse (5443004512), we get a palindrome (7597007957).

The spelling of 2154003445 in words is "two billion, one hundred fifty-four million, three thousand, four hundred forty-five".