45656471 has 4 divisors (see below), whose sum is σ = 52178832. Its totient is φ = 39134112.

The previous prime is 45656467. The next prime is 45656489. The reversal of 45656471 is 17465654.

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

It is a cyclic number.

It is not a de Polignac number, because 45656471 - 2² = 45656467 is a prime.

It is a super-3 number, since 3×45656471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45656671) 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, 3261170 + ... + 3261183.

It is an arithmetic number, because the mean of its divisors is an integer number (13044708).

Almost surely, 2^45656471 is an apocalyptic number.

45656471 is a deficient number, since it is larger than the sum of its proper divisors (6522361).

45656471 is an equidigital number, since it uses as much as digits as its factorization.

45656471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6522360.

The product of its digits is 100800, while the sum is 38.

The square root of 45656471 is about 6756.9572294044. The cubic root of 45656471 is about 357.4106148480.

The spelling of 45656471 in words is "forty-five million, six hundred fifty-six thousand, four hundred seventy-one".