45198813459 has 4 divisors (see below), whose sum is σ = 60265084616. Its totient is φ = 30132542304.

The previous prime is 45198813437. The next prime is 45198813467. The reversal of 45198813459 is 95431889154.

It is a happy number.

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

It is not a de Polignac number, because 45198813459 - 2⁹ = 45198812947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45198813399 and 45198813408.

It is not an unprimeable number, because it can be changed into a prime (45198813479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7533135574 + ... + 7533135579.

It is an arithmetic number, because the mean of its divisors is an integer number (15066271154).

Almost surely, 2^45198813459 is an apocalyptic number.

45198813459 is a deficient number, since it is larger than the sum of its proper divisors (15066271157).

45198813459 is a wasteful number, since it uses less digits than its factorization.

45198813459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15066271156.

The product of its digits is 6220800, while the sum is 57.

The spelling of 45198813459 in words is "forty-five billion, one hundred ninety-eight million, eight hundred thirteen thousand, four hundred fifty-nine".