446323145 has 8 divisors (see below), whose sum is σ = 536112456. Its totient is φ = 356708736.

The previous prime is 446323133. The next prime is 446323147. The reversal of 446323145 is 541323644.

It can be written as a sum of positive squares in 4 ways, for example, as 197346304 + 248976841 = 14048^2 + 15779^2 .

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 446323145 - 2¹⁸ = 446061001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (446323147) 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, 38042 + ... + 48371.

It is an arithmetic number, because the mean of its divisors is an integer number (67014057).

Almost surely, 2^446323145 is an apocalyptic number.

It is an amenable number.

446323145 is a deficient number, since it is larger than the sum of its proper divisors (89789311).

446323145 is a wasteful number, since it uses less digits than its factorization.

446323145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87451.

The product of its digits is 34560, while the sum is 32.

The square root of 446323145 is about 21126.3613762522. The cubic root of 446323145 is about 764.2166044510.

Adding to 446323145 its reverse (541323644), we get a palindrome (987646789).

The spelling of 446323145 in words is "four hundred forty-six million, three hundred twenty-three thousand, one hundred forty-five".