45145469445 has 16 divisors (see below), whose sum is σ = 72257909760. Its totient is φ = 24069197504.

The previous prime is 45145469437. The next prime is 45145469449. The reversal of 45145469445 is 54496454154.

It is a cyclic number.

It is not a de Polignac number, because 45145469445 - 2³ = 45145469437 is a prime.

It is a super-2 number, since 2×45145469445² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45145469449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479514 + ... + 565883.

It is an arithmetic number, because the mean of its divisors is an integer number (4516119360).

Almost surely, 2^45145469445 is an apocalyptic number.

It is an amenable number.

45145469445 is a deficient number, since it is larger than the sum of its proper divisors (27112440315).

45145469445 is a wasteful number, since it uses less digits than its factorization.

45145469445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048284.

The product of its digits is 6912000, while the sum is 51.

The spelling of 45145469445 in words is "forty-five billion, one hundred forty-five million, four hundred sixty-nine thousand, four hundred forty-five".