535244451545 has 16 divisors (see below), whose sum is σ = 643766501520. Its totient is φ = 427214438400.

The previous prime is 535244451541. The next prime is 535244451611. The reversal of 535244451545 is 545154442535.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 53446041856 + 481798409689 = 231184^2 + 694117^2 .

It is not a de Polignac number, because 535244451545 - 2² = 535244451541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 535244451545.

It is not an unprimeable number, because it can be changed into a prime (535244451541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4365641 + ... + 4486569.

It is an arithmetic number, because the mean of its divisors is an integer number (40235406345).

Almost surely, 2^535244451545 is an apocalyptic number.

It is an amenable number.

535244451545 is a deficient number, since it is larger than the sum of its proper divisors (108522049975).

535244451545 is a wasteful number, since it uses less digits than its factorization.

535244451545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122956.

The product of its digits is 4800000, while the sum is 47.

The spelling of 535244451545 in words is "five hundred thirty-five billion, two hundred forty-four million, four hundred fifty-one thousand, five hundred forty-five".