15045043405 has 16 divisors (see below), whose sum is σ = 20915852544. Its totient is φ = 10175276160.

The previous prime is 15045043397. The next prime is 15045043423. The reversal of 15045043405 is 50434054051.

It is a happy number.

It is not a de Polignac number, because 15045043405 - 2³ = 15045043397 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2941681 + ... + 2946790.

It is an arithmetic number, because the mean of its divisors is an integer number (1307240784).

Almost surely, 2^15045043405 is an apocalyptic number.

It is an amenable number.

15045043405 is a deficient number, since it is larger than the sum of its proper divisors (5870809139).

15045043405 is an equidigital number, since it uses as much as digits as its factorization.

15045043405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888556.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 15045043405 its reverse (50434054051), we get a palindrome (65479097456).

The spelling of 15045043405 in words is "fifteen billion, forty-five million, forty-three thousand, four hundred five".