445540043 has 8 divisors (see below), whose sum is σ = 480396000. Its totient is φ = 410767488.

The previous prime is 445540033. The next prime is 445540057. The reversal of 445540043 is 340045544.

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

It is a cyclic number.

It is not a de Polignac number, because 445540043 - 2⁶ = 445539979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445539988 and 445540015.

It is not an unprimeable number, because it can be changed into a prime (445540033) 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, 9518 + ... + 31331.

It is an arithmetic number, because the mean of its divisors is an integer number (60049500).

Almost surely, 2^445540043 is an apocalyptic number.

445540043 is a deficient number, since it is larger than the sum of its proper divisors (34855957).

445540043 is a wasteful number, since it uses less digits than its factorization.

445540043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41701.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 445540043 is about 21107.8194752561. The cubic root of 445540043 is about 763.7693874430.

Adding to 445540043 its reverse (340045544), we get a palindrome (785585587).

The spelling of 445540043 in words is "four hundred forty-five million, five hundred forty thousand, forty-three".