45432454661 has 16 divisors (see below), whose sum is σ = 52878754368. Its totient is φ = 38575929600.

The previous prime is 45432454649. The next prime is 45432454721. The reversal of 45432454661 is 16645423454.

It is a cyclic number.

It is not a de Polignac number, because 45432454661 - 2¹⁰ = 45432453637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45432454621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902810 + ... + 951803.

It is an arithmetic number, because the mean of its divisors is an integer number (3304922148).

Almost surely, 2^45432454661 is an apocalyptic number.

It is an amenable number.

45432454661 is a deficient number, since it is larger than the sum of its proper divisors (7446299707).

45432454661 is a wasteful number, since it uses less digits than its factorization.

45432454661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854772.

The product of its digits is 1382400, while the sum is 44.

The spelling of 45432454661 in words is "forty-five billion, four hundred thirty-two million, four hundred fifty-four thousand, six hundred sixty-one".