503146706005145 has 16 divisors (see below), whose sum is σ = 614638952280768. Its totient is φ = 395311728525120.

The previous prime is 503146706005103. The next prime is 503146706005147. The reversal of 503146706005145 is 541500607641305.

It is a happy number.

It is not a de Polignac number, because 503146706005145 - 2³⁴ = 503129526135961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503146706005145.

It is not an unprimeable number, because it can be changed into a prime (503146706005147) 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, 2268666254 + ... + 2268888023.

It is an arithmetic number, because the mean of its divisors is an integer number (38414934517548).

Almost surely, 2^{503146706005145} is an apocalyptic number.

It is an amenable number.

503146706005145 is a deficient number, since it is larger than the sum of its proper divisors (111492246275623).

503146706005145 is a wasteful number, since it uses less digits than its factorization.

503146706005145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537554680.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 503146706005145 in words is "five hundred three trillion, one hundred forty-six billion, seven hundred six million, five thousand, one hundred forty-five".