445502641 has 2 divisors, whose sum is σ = 445502642. Its totient is φ = 445502640.

The previous prime is 445502587. The next prime is 445502653. The reversal of 445502641 is 146205544.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370177600 + 75325041 = 19240^2 + 8679^2 .

It is a cyclic number.

It is not a de Polignac number, because 445502641 - 2⁷ = 445502513 is a prime.

It is not a weakly prime, because it can be changed into another prime (445500641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222751320 + 222751321.

It is an arithmetic number, because the mean of its divisors is an integer number (222751321).

Almost surely, 2^445502641 is an apocalyptic number.

It is an amenable number.

445502641 is a deficient number, since it is larger than the sum of its proper divisors (1).

445502641 is an equidigital number, since it uses as much as digits as its factorization.

445502641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 445502641 is about 21106.9334816785. The cubic root of 445502641 is about 763.7480146525.

The spelling of 445502641 in words is "four hundred forty-five million, five hundred two thousand, six hundred forty-one".