2003522145 has 16 divisors (see below), whose sum is σ = 3219639360. Its totient is φ = 1063877184.

The previous prime is 2003522137. The next prime is 2003522167. The reversal of 2003522145 is 5412253002.

It is not a de Polignac number, because 2003522145 - 2³ = 2003522137 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 288199 + ... + 295068.

It is an arithmetic number, because the mean of its divisors is an integer number (201227460).

Almost surely, 2^2003522145 is an apocalyptic number.

It is an amenable number.

2003522145 is a deficient number, since it is larger than the sum of its proper divisors (1216117215).

2003522145 is a wasteful number, since it uses less digits than its factorization.

2003522145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583504.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2003522145 is about 44760.7210062573. The cubic root of 2003522145 is about 1260.6602202580.

Adding to 2003522145 its reverse (5412253002), we get a palindrome (7415775147).

The spelling of 2003522145 in words is "two billion, three million, five hundred twenty-two thousand, one hundred forty-five".