5145144262523 has 4 divisors (see below), whose sum is σ = 5185657209600. Its totient is φ = 5104631315448.

The previous prime is 5145144262483. The next prime is 5145144262541. The reversal of 5145144262523 is 3252624415415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5145144262523 - 2³⁶ = 5076424785787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145144262553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20256473348 + ... + 20256473601.

It is an arithmetic number, because the mean of its divisors is an integer number (1296414302400).

Almost surely, 2^{5145144262523} is an apocalyptic number.

5145144262523 is a deficient number, since it is larger than the sum of its proper divisors (40512947077).

5145144262523 is a wasteful number, since it uses less digits than its factorization.

5145144262523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40512947076.

The product of its digits is 1152000, while the sum is 44.

Adding to 5145144262523 its reverse (3252624415415), we get a palindrome (8397768677938).

The spelling of 5145144262523 in words is "five trillion, one hundred forty-five billion, one hundred forty-four million, two hundred sixty-two thousand, five hundred twenty-three".