45144122644 has 24 divisors (see below), whose sum is σ = 79568141408. Its totient is φ = 22410946080.

The previous prime is 45144122641. The next prime is 45144122669. The reversal of 45144122644 is 44622144154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45144122641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241579 + ... + 385549.

Almost surely, 2^45144122644 is an apocalyptic number.

It is an amenable number.

45144122644 is a deficient number, since it is larger than the sum of its proper divisors (34424018764).

45144122644 is a wasteful number, since it uses less digits than its factorization.

45144122644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144535 (or 144533 counting only the distinct ones).

The product of its digits is 122880, while the sum is 37.

Adding to 45144122644 its reverse (44622144154), we get a palindrome (89766266798).

The spelling of 45144122644 in words is "forty-five billion, one hundred forty-four million, one hundred twenty-two thousand, six hundred forty-four".