445540061 has 8 divisors (see below), whose sum is σ = 465139584. Its totient is φ = 425959600.

The previous prime is 445540057. The next prime is 445540111. The reversal of 445540061 is 160045544.

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 445540061 - 2² = 445540057 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 (445540261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64736 + ... + 71286.

It is an arithmetic number, because the mean of its divisors is an integer number (58142448).

Almost surely, 2^445540061 is an apocalyptic number.

It is an amenable number.

445540061 is a deficient number, since it is larger than the sum of its proper divisors (19599523).

445540061 is a wasteful number, since it uses less digits than its factorization.

445540061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9531.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 445540061 is about 21107.8199016383. The cubic root of 445540061 is about 763.7693977285.

The spelling of 445540061 in words is "four hundred forty-five million, five hundred forty thousand, sixty-one".