45405003472 has 20 divisors (see below), whose sum is σ = 90349822276. Its totient is φ = 22088920320.

The previous prime is 45405003467. The next prime is 45405003491. The reversal of 45405003472 is 27430050454.

It can be written as a sum of positive squares in 2 ways, for example, as 38182723216 + 7222280256 = 195404^2 + 84984^2 .

It is a super-3 number, since 3×45405003472³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38348229 + ... + 38349412.

Almost surely, 2^45405003472 is an apocalyptic number.

It is an amenable number.

45405003472 is a deficient number, since it is larger than the sum of its proper divisors (44944818804).

45405003472 is a wasteful number, since it uses less digits than its factorization.

45405003472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76697686 (or 76697680 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 34.

The spelling of 45405003472 in words is "forty-five billion, four hundred five million, three thousand, four hundred seventy-two".