45032353661 has 4 divisors (see below), whose sum is σ = 45649235292. Its totient is φ = 44415472032.

The previous prime is 45032353657. The next prime is 45032353673. The reversal of 45032353661 is 16635323054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12142717636 + 32889636025 = 110194^2 + 181355^2 .

It is a cyclic number.

It is not a de Polignac number, because 45032353661 - 2² = 45032353657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45022353661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308440706 + ... + 308440851.

It is an arithmetic number, because the mean of its divisors is an integer number (11412308823).

Almost surely, 2^45032353661 is an apocalyptic number.

It is an amenable number.

45032353661 is a deficient number, since it is larger than the sum of its proper divisors (616881631).

45032353661 is an equidigital number, since it uses as much as digits as its factorization.

45032353661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616881630.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 45032353661 in words is "forty-five billion, thirty-two million, three hundred fifty-three thousand, six hundred sixty-one".