18753345045 has 32 divisors (see below), whose sum is σ = 33345043200. Its totient is φ = 10000055232.

The previous prime is 18753345007. The next prime is 18753345109. The reversal of 18753345045 is 54054335781.

It is a happy number.

It is not a de Polignac number, because 18753345045 - 2⁷ = 18753344917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1304919 + ... + 1319211.

It is an arithmetic number, because the mean of its divisors is an integer number (1042032600).

Almost surely, 2^18753345045 is an apocalyptic number.

18753345045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18753345045 is a deficient number, since it is larger than the sum of its proper divisors (14591698155).

18753345045 is a wasteful number, since it uses less digits than its factorization.

18753345045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24026 (or 24020 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 18753345045 in words is "eighteen billion, seven hundred fifty-three million, three hundred forty-five thousand, forty-five".