45447663 has 8 divisors (see below), whose sum is σ = 60628528. Its totient is φ = 30282624.

The previous prime is 45447653. The next prime is 45447679. The reversal of 45447663 is 36674454.

It is a happy number.

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

It is not a de Polignac number, because 45447663 - 2⁸ = 45447407 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45447653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7431 + ... + 12087.

It is an arithmetic number, because the mean of its divisors is an integer number (7578566).

Almost surely, 2^45447663 is an apocalyptic number.

45447663 is a deficient number, since it is larger than the sum of its proper divisors (15180865).

45447663 is a wasteful number, since it uses less digits than its factorization.

45447663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7913.

The product of its digits is 241920, while the sum is 39.

The square root of 45447663 is about 6741.4881888200. The cubic root of 45447663 is about 356.8649144854.

The spelling of 45447663 in words is "forty-five million, four hundred forty-seven thousand, six hundred sixty-three".