446242745 has 24 divisors (see below), whose sum is σ = 583314648. Its totient is φ = 325785600.

The previous prime is 446242733. The next prime is 446242787. The reversal of 446242745 is 547242644.

It can be written as a sum of positive squares in 12 ways, for example, as 11478544 + 434764201 = 3388^2 + 20851^2 .

It is a de Polignac number, because none of the positive numbers 2^k-446242745 is a prime.

It is a super-3 number, since 3×446242745³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 446242699 and 446242708.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 662729 + ... + 663401.

It is an arithmetic number, because the mean of its divisors is an integer number (24304777).

Almost surely, 2^446242745 is an apocalyptic number.

It is an amenable number.

446242745 is a deficient number, since it is larger than the sum of its proper divisors (137071903).

446242745 is a wasteful number, since it uses less digits than its factorization.

446242745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 792 counting only the distinct ones).

The product of its digits is 215040, while the sum is 38.

The square root of 446242745 is about 21124.4584545971. The cubic root of 446242745 is about 764.1707134074.

The spelling of 446242745 in words is "four hundred forty-six million, two hundred forty-two thousand, seven hundred forty-five".