45711523145 has 4 divisors (see below), whose sum is σ = 54853827780. Its totient is φ = 36569218512.

The previous prime is 45711523139. The next prime is 45711523163. The reversal of 45711523145 is 54132511754.

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 9272149264 + 36439373881 = 96292^2 + 190891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45711523145 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45711523099 and 45711523108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4571152310 + ... + 4571152319.

It is an arithmetic number, because the mean of its divisors is an integer number (13713456945).

Almost surely, 2^45711523145 is an apocalyptic number.

It is an amenable number.

45711523145 is a deficient number, since it is larger than the sum of its proper divisors (9142304635).

45711523145 is an equidigital number, since it uses as much as digits as its factorization.

45711523145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9142304634.

The product of its digits is 84000, while the sum is 38.

The spelling of 45711523145 in words is "forty-five billion, seven hundred eleven million, five hundred twenty-three thousand, one hundred forty-five".