13445431542454 has 16 divisors (see below), whose sum is σ = 20660185760256. Its totient is φ = 6558705057600.

The previous prime is 13445431542407. The next prime is 13445431542469. The reversal of 13445431542454 is 45424513454431.

It is a junction number, because it is equal to n+sod(n) for n = 13445431542398 and 13445431542407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15198304 + ... + 16058620.

It is an arithmetic number, because the mean of its divisors is an integer number (1291261610016).

Almost surely, 2^{13445431542454} is an apocalyptic number.

13445431542454 is a deficient number, since it is larger than the sum of its proper divisors (7214754217802).

13445431542454 is a wasteful number, since it uses less digits than its factorization.

13445431542454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050951.

The product of its digits is 9216000, while the sum is 49.

Adding to 13445431542454 its reverse (45424513454431), we get a palindrome (58869944996885).

The spelling of 13445431542454 in words is "thirteen trillion, four hundred forty-five billion, four hundred thirty-one million, five hundred forty-two thousand, four hundred fifty-four".