45444522503 has 4 divisors (see below), whose sum is σ = 45482362608. Its totient is φ = 45406682400.

The previous prime is 45444522481. The next prime is 45444522511. The reversal of 45444522503 is 30522544454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30522544454 = 2 ⋅15261272227.

It is a cyclic number.

It is not a de Polignac number, because 45444522503 - 2¹⁴ = 45444506119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45444522583) 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, 18918251 + ... + 18920652.

It is an arithmetic number, because the mean of its divisors is an integer number (11370590652).

Almost surely, 2^45444522503 is an apocalyptic number.

45444522503 is a deficient number, since it is larger than the sum of its proper divisors (37840105).

45444522503 is a wasteful number, since it uses less digits than its factorization.

45444522503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37840104.

The product of its (nonzero) digits is 384000, while the sum is 38.

The spelling of 45444522503 in words is "forty-five billion, four hundred forty-four million, five hundred twenty-two thousand, five hundred three".