45344489465 has 32 divisors (see below), whose sum is σ = 62565696000. Its totient is φ = 31239819520.

The previous prime is 45344489461. The next prime is 45344489467. The reversal of 45344489465 is 56498444354.

It is a happy number.

It is not a de Polignac number, because 45344489465 - 2² = 45344489461 is a prime.

It is a super-2 number, since 2×45344489465² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45344489465.

It is not an unprimeable number, because it can be changed into a prime (45344489461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183665 + ... + 352734.

It is an arithmetic number, because the mean of its divisors is an integer number (1955178000).

Almost surely, 2^45344489465 is an apocalyptic number.

It is an amenable number.

45344489465 is a deficient number, since it is larger than the sum of its proper divisors (17221206535).

45344489465 is a wasteful number, since it uses less digits than its factorization.

45344489465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536497.

The product of its digits is 33177600, while the sum is 56.

The spelling of 45344489465 in words is "forty-five billion, three hundred forty-four million, four hundred eighty-nine thousand, four hundred sixty-five".