45144202234 has 4 divisors (see below), whose sum is σ = 67716303354. Its totient is φ = 22572101116.

The previous prime is 45144202211. The next prime is 45144202247. The reversal of 45144202234 is 43220244154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43220244154 = 2 ⋅21610122077.

It can be written as a sum of positive squares in only one way, i.e., 39205188009 + 5939014225 = 198003^2 + 77065^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 45144202196 and 45144202205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11286050557 + ... + 11286050560.

Almost surely, 2^45144202234 is an apocalyptic number.

45144202234 is a deficient number, since it is larger than the sum of its proper divisors (22572101120).

45144202234 is a wasteful number, since it uses less digits than its factorization.

45144202234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22572101119.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 45144202234 its reverse (43220244154), we get a palindrome (88364446388).

The spelling of 45144202234 in words is "forty-five billion, one hundred forty-four million, two hundred two thousand, two hundred thirty-four".