45180450623 has 16 divisors (see below), whose sum is σ = 56845662720. Its totient is φ = 34882552800.

The previous prime is 45180450619. The next prime is 45180450629. The reversal of 45180450623 is 32605408154.

It is a cyclic number.

It is not a de Polignac number, because 45180450623 - 2² = 45180450619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45180450629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2683163 + ... + 2699948.

It is an arithmetic number, because the mean of its divisors is an integer number (3552853920).

Almost surely, 2^45180450623 is an apocalyptic number.

45180450623 is a deficient number, since it is larger than the sum of its proper divisors (11665212097).

45180450623 is a wasteful number, since it uses less digits than its factorization.

45180450623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383238.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 45180450623 its reverse (32605408154), we get a palindrome (77785858777).

The spelling of 45180450623 in words is "forty-five billion, one hundred eighty million, four hundred fifty thousand, six hundred twenty-three".