45441663 has 16 divisors (see below), whose sum is σ = 64393056. Its totient is φ = 28405760.

The previous prime is 45441619. The next prime is 45441677. The reversal of 45441663 is 36614454.

It is a cyclic number.

It is not a de Polignac number, because 45441663 - 2¹⁶ = 45376127 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45441163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13423 + ... + 16463.

It is an arithmetic number, because the mean of its divisors is an integer number (4024566).

Almost surely, 2^45441663 is an apocalyptic number.

45441663 is a deficient number, since it is larger than the sum of its proper divisors (18951393).

45441663 is a wasteful number, since it uses less digits than its factorization.

45441663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354.

The product of its digits is 34560, while the sum is 33.

The square root of 45441663 is about 6741.0431685311. The cubic root of 45441663 is about 356.8492093602.

The spelling of 45441663 in words is "forty-five million, four hundred forty-one thousand, six hundred sixty-three".