450126212565445 has 24 divisors (see below), whose sum is σ = 584922977994600. Its totient is φ = 332386546542336.

The previous prime is 450126212565409. The next prime is 450126212565493. The reversal of 450126212565445 is 544565212621054.

It can be written as a sum of positive squares in 12 ways, for example, as 111072692044609 + 339053520520836 = 10539103^2 + 18413406^2 .

It is not a de Polignac number, because 450126212565445 - 2⁷ = 450126212565317 is a prime.

It is a super-2 number, since 2×450126212565445² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450126212565392 and 450126212565401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8108791 + ... + 31080619.

It is an arithmetic number, because the mean of its divisors is an integer number (24371790749775).

Almost surely, 2^{450126212565445} is an apocalyptic number.

It is an amenable number.

450126212565445 is a deficient number, since it is larger than the sum of its proper divisors (134796765429155).

450126212565445 is a wasteful number, since it uses less digits than its factorization.

450126212565445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22995049 (or 22995036 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 52.

The spelling of 450126212565445 in words is "four hundred fifty trillion, one hundred twenty-six billion, two hundred twelve million, five hundred sixty-five thousand, four hundred forty-five".