45471305985 has 64 divisors (see below), whose sum is σ = 88525592064. Its totient is φ = 19455897600.

The previous prime is 45471305953. The next prime is 45471306017. The reversal of 45471305985 is 58950317454.

It is an interprime number because it is at equal distance from previous prime (45471305953) and next prime (45471306017).

It is not a de Polignac number, because 45471305985 - 2⁵ = 45471305953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 252715 + ... + 393455.

It is an arithmetic number, because the mean of its divisors is an integer number (1383212376).

Almost surely, 2^45471305985 is an apocalyptic number.

It is an amenable number.

45471305985 is a deficient number, since it is larger than the sum of its proper divisors (43054286079).

45471305985 is a wasteful number, since it uses less digits than its factorization.

45471305985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140954.

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 45471305985 in words is "forty-five billion, four hundred seventy-one million, three hundred five thousand, nine hundred eighty-five".