15045241545 has 24 divisors (see below), whose sum is σ = 26146538496. Its totient is φ = 8003168928.

The previous prime is 15045241537. The next prime is 15045241579. The reversal of 15045241545 is 54514254051.

15045241545 is a `hidden beast` number, since 1 + 50 + 45 + 24 + 1 + 545 = 666.

It is not a de Polignac number, because 15045241545 - 2³ = 15045241537 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 419239 + ... + 453708.

It is an arithmetic number, because the mean of its divisors is an integer number (1089439104).

Almost surely, 2^15045241545 is an apocalyptic number.

15045241545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15045241545 is a deficient number, since it is larger than the sum of its proper divisors (11101296951).

15045241545 is a wasteful number, since it uses less digits than its factorization.

15045241545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873341 (or 873338 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 15045241545 its reverse (54514254051), we get a palindrome (69559495596).

The spelling of 15045241545 in words is "fifteen billion, forty-five million, two hundred forty-one thousand, five hundred forty-five".