45402235511522 has 54 divisors (see below), whose sum is σ = 70747810811937. Its totient is φ = 21852219261600.

The previous prime is 45402235511489. The next prime is 45402235511527. The reversal of 45402235511522 is 22511553220454.

It can be written as a sum of positive squares in 2 ways, for example, as 32424380566081 + 12977854945441 = 5694241^2 + 3602479^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4764569.

It is a super-2 number, since 2×45402235511522² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45402235511522.

It is not an unprimeable number, because it can be changed into a prime (45402235511527) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 30864877247 + ... + 30864878717.

Almost surely, 2^{45402235511522} is an apocalyptic number.

45402235511522 is a deficient number, since it is larger than the sum of its proper divisors (25345575300415).

45402235511522 is an frugal number, since it uses more digits than its factorization.

45402235511522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 45402235511522 its reverse (22511553220454), we get a palindrome (67913788731976).

The spelling of 45402235511522 in words is "forty-five trillion, four hundred two billion, two hundred thirty-five million, five hundred eleven thousand, five hundred twenty-two".