15230345324545 has 32 divisors (see below), whose sum is σ = 20141456936832. Its totient is φ = 10984681838592.

The previous prime is 15230345324527. The next prime is 15230345324549. The reversal of 15230345324545 is 54542354303251.

It is a cyclic number.

It is not a de Polignac number, because 15230345324545 - 2¹¹ = 15230345322497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15230345324495 and 15230345324504.

It is not an unprimeable number, because it can be changed into a prime (15230345324549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40516497 + ... + 40890673.

It is an arithmetic number, because the mean of its divisors is an integer number (629420529276).

Almost surely, 2^{15230345324545} is an apocalyptic number.

It is an amenable number.

15230345324545 is a deficient number, since it is larger than the sum of its proper divisors (4911111612287).

15230345324545 is a wasteful number, since it uses less digits than its factorization.

15230345324545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388801.

The product of its (nonzero) digits is 4320000, while the sum is 46.

Adding to 15230345324545 its reverse (54542354303251), we get a palindrome (69772699627796).

The spelling of 15230345324545 in words is "fifteen trillion, two hundred thirty billion, three hundred forty-five million, three hundred twenty-four thousand, five hundred forty-five".