445377961 has 32 divisors (see below), whose sum is σ = 547430400. Its totient is φ = 354291840.

The previous prime is 445377949. The next prime is 445377967. The reversal of 445377961 is 169773544.

It is not a de Polignac number, because 445377961 - 2⁵ = 445377929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445377967) 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 31 ways as a sum of consecutive naturals, for example, 550125 + ... + 550933.

It is an arithmetic number, because the mean of its divisors is an integer number (17107200).

Almost surely, 2^445377961 is an apocalyptic number.

It is an amenable number.

445377961 is a deficient number, since it is larger than the sum of its proper divisors (102052439).

445377961 is a wasteful number, since it uses less digits than its factorization.

445377961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949.

The product of its digits is 635040, while the sum is 46.

The square root of 445377961 is about 21103.9797431669. The cubic root of 445377961 is about 763.6767595664.

The spelling of 445377961 in words is "four hundred forty-five million, three hundred seventy-seven thousand, nine hundred sixty-one".