45512245649 has 16 divisors (see below), whose sum is σ = 50712721920. Its totient is φ = 40555099200.

The previous prime is 45512245633. The next prime is 45512245697. The reversal of 45512245649 is 94654221554.

It is a cyclic number.

It is not a de Polignac number, because 45512245649 - 2⁴ = 45512245633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45512245609) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3367784 + ... + 3381270.

It is an arithmetic number, because the mean of its divisors is an integer number (3169545120).

Almost surely, 2^45512245649 is an apocalyptic number.

It is an amenable number.

45512245649 is a deficient number, since it is larger than the sum of its proper divisors (5200476271).

45512245649 is a wasteful number, since it uses less digits than its factorization.

45512245649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22480.

The product of its digits is 1728000, while the sum is 47.

The spelling of 45512245649 in words is "forty-five billion, five hundred twelve million, two hundred forty-five thousand, six hundred forty-nine".