45905623471 has 8 divisors (see below), whose sum is σ = 47064772800. Its totient is φ = 44754075648.

The previous prime is 45905623451. The next prime is 45905623507. The reversal of 45905623471 is 17432650954.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45905623471 - 2²⁵ = 45872069039 is a prime.

It is a super-3 number, since 3×45905623471³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45905623441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1888146 + ... + 1912303.

It is an arithmetic number, because the mean of its divisors is an integer number (5883096600).

Almost surely, 2^45905623471 is an apocalyptic number.

45905623471 is a deficient number, since it is larger than the sum of its proper divisors (1159149329).

45905623471 is a wasteful number, since it uses less digits than its factorization.

45905623471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800753.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 45905623471 in words is "forty-five billion, nine hundred five million, six hundred twenty-three thousand, four hundred seventy-one".