45443863 has 4 divisors (see below), whose sum is σ = 45868680. Its totient is φ = 45019048.

The previous prime is 45443833. The next prime is 45443891. The reversal of 45443863 is 36834454.

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 45443863 - 2⁵ = 45443831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45443803) 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, 212248 + ... + 212461.

It is an arithmetic number, because the mean of its divisors is an integer number (11467170).

Almost surely, 2^45443863 is an apocalyptic number.

45443863 is a deficient number, since it is larger than the sum of its proper divisors (424817).

45443863 is a wasteful number, since it uses less digits than its factorization.

45443863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424816.

The product of its digits is 138240, while the sum is 37.

The square root of 45443863 is about 6741.2063460482. The cubic root of 45443863 is about 356.8549680666.

The spelling of 45443863 in words is "forty-five million, four hundred forty-three thousand, eight hundred sixty-three".