45420132661 has 16 divisors (see below), whose sum is σ = 46783433088. Its totient is φ = 44064216000.

The previous prime is 45420132623. The next prime is 45420132673. The reversal of 45420132661 is 16623102454.

It is a cyclic number.

It is not a de Polignac number, because 45420132661 - 2¹⁷ = 45420001589 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 (45420132691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30058896 + ... + 30060406.

It is an arithmetic number, because the mean of its divisors is an integer number (2923964568).

Almost surely, 2^45420132661 is an apocalyptic number.

It is an amenable number.

45420132661 is a deficient number, since it is larger than the sum of its proper divisors (1363300427).

45420132661 is a wasteful number, since it uses less digits than its factorization.

45420132661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 45420132661 in words is "forty-five billion, four hundred twenty million, one hundred thirty-two thousand, six hundred sixty-one".