15345454002303 has 16 divisors (see below), whose sum is σ = 20854364653440. Its totient is φ = 10034205833184.

The previous prime is 15345454002271. The next prime is 15345454002337. The reversal of 15345454002303 is 30320045454351.

It is not a de Polignac number, because 15345454002303 - 2⁵ = 15345454002271 is a prime.

It is a super-2 number, since 2×15345454002303² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15345454002383) 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, 97774276 + ... + 97931097.

It is an arithmetic number, because the mean of its divisors is an integer number (1303397790840).

Almost surely, 2^{15345454002303} is an apocalyptic number.

15345454002303 is a deficient number, since it is larger than the sum of its proper divisors (5508910651137).

15345454002303 is a wasteful number, since it uses less digits than its factorization.

15345454002303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195705878.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 15345454002303 its reverse (30320045454351), we get a palindrome (45665499456654).

The spelling of 15345454002303 in words is "fifteen trillion, three hundred forty-five billion, four hundred fifty-four million, two thousand, three hundred three".