45453253145 has 4 divisors (see below), whose sum is σ = 54543903780. Its totient is φ = 36362602512.

The previous prime is 45453253133. The next prime is 45453253187. The reversal of 45453253145 is 54135235454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28887761296 + 16565491849 = 169964^2 + 128707^2 .

It is a cyclic number.

It is not a de Polignac number, because 45453253145 - 2³⁰ = 44379511321 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 4545325310 + ... + 4545325319.

It is an arithmetic number, because the mean of its divisors is an integer number (13635975945).

Almost surely, 2^45453253145 is an apocalyptic number.

It is an amenable number.

45453253145 is a deficient number, since it is larger than the sum of its proper divisors (9090650635).

45453253145 is an equidigital number, since it uses as much as digits as its factorization.

45453253145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090650634.

The product of its digits is 720000, while the sum is 41.

Adding to 45453253145 its reverse (54135235454), we get a palindrome (99588488599).

The spelling of 45453253145 in words is "forty-five billion, four hundred fifty-three million, two hundred fifty-three thousand, one hundred forty-five".