45540052403 has 4 divisors (see below), whose sum is σ = 45540479208. Its totient is φ = 45539625600.

The previous prime is 45540052249. The next prime is 45540052409. The reversal of 45540052403 is 30425004554.

45540052403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45540052403 - 2¹⁰ = 45540051379 is a prime.

It is a super-3 number, since 3×45540052403³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45540052403.

It is not an unprimeable number, because it can be changed into a prime (45540052409) 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, 105800 + ... + 319802.

It is an arithmetic number, because the mean of its divisors is an integer number (11385119802).

Almost surely, 2^45540052403 is an apocalyptic number.

45540052403 is a deficient number, since it is larger than the sum of its proper divisors (426805).

45540052403 is a wasteful number, since it uses less digits than its factorization.

45540052403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426804.

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 45540052403 its reverse (30425004554), we get a palindrome (75965056957).

The spelling of 45540052403 in words is "forty-five billion, five hundred forty million, fifty-two thousand, four hundred three".