15303053145 has 16 divisors (see below), whose sum is σ = 24820296192. Its totient is φ = 8049824640.

The previous prime is 15303053141. The next prime is 15303053177. The reversal of 15303053145 is 54135030351.

It is not a de Polignac number, because 15303053145 - 2² = 15303053141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15303053141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6986601 + ... + 6988790.

It is an arithmetic number, because the mean of its divisors is an integer number (1551268512).

Almost surely, 2^15303053145 is an apocalyptic number.

15303053145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15303053145 is a deficient number, since it is larger than the sum of its proper divisors (9517243047).

15303053145 is a wasteful number, since it uses less digits than its factorization.

15303053145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13975472.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 15303053145 its reverse (54135030351), we get a palindrome (69438083496).

The spelling of 15303053145 in words is "fifteen billion, three hundred three million, fifty-three thousand, one hundred forty-five".