445055399 has 2 divisors, whose sum is σ = 445055400. Its totient is φ = 445055398.

The previous prime is 445055357. The next prime is 445055417. The reversal of 445055399 is 993550544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445055399 - 2²⁸ = 176619943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445055099) 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 as a sum of consecutive naturals, namely, 222527699 + 222527700.

It is an arithmetic number, because the mean of its divisors is an integer number (222527700).

Almost surely, 2^445055399 is an apocalyptic number.

445055399 is a deficient number, since it is larger than the sum of its proper divisors (1).

445055399 is an equidigital number, since it uses as much as digits as its factorization.

445055399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 44.

The square root of 445055399 is about 21096.3361510951. The cubic root of 445055399 is about 763.4923524509.

The spelling of 445055399 in words is "four hundred forty-five million, fifty-five thousand, three hundred ninety-nine".