445790361 has 4 divisors (see below), whose sum is σ = 594387152. Its totient is φ = 297193572.

The previous prime is 445790351. The next prime is 445790363. The reversal of 445790361 is 163097544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 445790361 - 2⁹ = 445789849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445790363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74298391 + ... + 74298396.

It is an arithmetic number, because the mean of its divisors is an integer number (148596788).

Almost surely, 2^445790361 is an apocalyptic number.

It is an amenable number.

445790361 is a deficient number, since it is larger than the sum of its proper divisors (148596791).

445790361 is a wasteful number, since it uses less digits than its factorization.

445790361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148596790.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 445790361 is about 21113.7481513823. The cubic root of 445790361 is about 763.9123969847.

The spelling of 445790361 in words is "four hundred forty-five million, seven hundred ninety thousand, three hundred sixty-one".