45144444154 has 4 divisors (see below), whose sum is σ = 67716666234. Its totient is φ = 22572222076.

The previous prime is 45144444133. The next prime is 45144444173.

45144444154 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 28771962129 + 16372482025 = 169623^2 + 127955^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11286111037 + ... + 11286111040.

Almost surely, 2^45144444154 is an apocalyptic number.

45144444154 is a deficient number, since it is larger than the sum of its proper divisors (22572222080).

45144444154 is a wasteful number, since it uses less digits than its factorization.

45144444154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22572222079.

The product of its digits is 409600, while the sum is 40.

The spelling of 45144444154 in words is "forty-five billion, one hundred forty-four million, four hundred forty-four thousand, one hundred fifty-four".