2045544415 has 16 divisors (see below), whose sum is σ = 2519633376. Its totient is φ = 1593648000.

The previous prime is 2045544373. The next prime is 2045544437. The reversal of 2045544415 is 5144455402.

It is not a de Polignac number, because 2045544415 - 2⁷ = 2045544287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2397 + ... + 64006.

It is an arithmetic number, because the mean of its divisors is an integer number (157477086).

Almost surely, 2^2045544415 is an apocalyptic number.

2045544415 is a deficient number, since it is larger than the sum of its proper divisors (474088961).

2045544415 is a wasteful number, since it uses less digits than its factorization.

2045544415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66570.

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

The square root of 2045544415 is about 45227.6952209595. The cubic root of 2045544415 is about 1269.4130867345.

Adding to 2045544415 its reverse (5144455402), we get a palindrome (7189999817).

The spelling of 2045544415 in words is "two billion, forty-five million, five hundred forty-four thousand, four hundred fifteen".