15480345 has 32 divisors (see below), whose sum is σ = 26985600. Its totient is φ = 7547904.

The previous prime is 15480341. The next prime is 15480347. The reversal of 15480345 is 54308451.

15480345 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15480345 - 2² = 15480341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15480341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7329 + ... + 9201.

It is an arithmetic number, because the mean of its divisors is an integer number (843300).

Almost surely, 2^15480345 is an apocalyptic number.

15480345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15480345 is a deficient number, since it is larger than the sum of its proper divisors (11505255).

15480345 is a wasteful number, since it uses less digits than its factorization.

15480345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 15480345 is about 3934.5069576759. The cubic root of 15480345 is about 249.2261135375.

Adding to 15480345 its reverse (54308451), we get a palindrome (69788796).

The spelling of 15480345 in words is "fifteen million, four hundred eighty thousand, three hundred forty-five".