45121245347 has 2 divisors, whose sum is σ = 45121245348. Its totient is φ = 45121245346.

The previous prime is 45121245343. The next prime is 45121245437. The reversal of 45121245347 is 74354212154.

Together with next prime (45121245437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45121245347 - 2² = 45121245343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45121245347.

It is not a weakly prime, because it can be changed into another prime (45121245343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22560622673 + 22560622674.

It is an arithmetic number, because the mean of its divisors is an integer number (22560622674).

Almost surely, 2^45121245347 is an apocalyptic number.

45121245347 is a deficient number, since it is larger than the sum of its proper divisors (1).

45121245347 is an equidigital number, since it uses as much as digits as its factorization.

45121245347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 38.

The spelling of 45121245347 in words is "forty-five billion, one hundred twenty-one million, two hundred forty-five thousand, three hundred forty-seven".