45644471 has 4 divisors (see below), whose sum is σ = 45673992. Its totient is φ = 45614952.

The previous prime is 45644449. The next prime is 45644483. The reversal of 45644471 is 17444654.

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 45644471 - 2⁶ = 45644407 is a prime.

It is a super-3 number, since 3×45644471³ (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 (45644411) 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, 12305 + ... + 15578.

It is an arithmetic number, because the mean of its divisors is an integer number (11418498).

Almost surely, 2^45644471 is an apocalyptic number.

45644471 is a deficient number, since it is larger than the sum of its proper divisors (29521).

45644471 is a wasteful number, since it uses less digits than its factorization.

45644471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29520.

The product of its digits is 53760, while the sum is 35.

The square root of 45644471 is about 6756.0691973958. The cubic root of 45644471 is about 357.3792990740.

The spelling of 45644471 in words is "forty-five million, six hundred forty-four thousand, four hundred seventy-one".