5452478742545 has 16 divisors (see below), whose sum is σ = 6645951646992. Its totient is φ = 4293830841600.

The previous prime is 5452478742521. The next prime is 5452478742547.

5452478742545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 572744726401 + 4879734016144 = 756799^2 + 2209012^2 .

It is not a de Polignac number, because 5452478742545 - 2⁶ = 5452478742481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5452478742547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31117802 + ... + 31292531.

It is an arithmetic number, because the mean of its divisors is an integer number (415371977937).

Almost surely, 2^{5452478742545} is an apocalyptic number.

It is an amenable number.

5452478742545 is a deficient number, since it is larger than the sum of its proper divisors (1193472904447).

5452478742545 is a wasteful number, since it uses less digits than its factorization.

5452478742545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62410612.

The product of its digits is 250880000, while the sum is 62.

The spelling of 5452478742545 in words is "five trillion, four hundred fifty-two billion, four hundred seventy-eight million, seven hundred forty-two thousand, five hundred forty-five".