445740377 has 2 divisors, whose sum is σ = 445740378. Its totient is φ = 445740376.

The previous prime is 445740319. The next prime is 445740389. The reversal of 445740377 is 773047544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274366096 + 171374281 = 16564^2 + 13091^2 .

It is a cyclic number.

It is not a de Polignac number, because 445740377 - 2⁶ = 445740313 is a prime.

It is not a weakly prime, because it can be changed into another prime (445740577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222870188 + 222870189.

It is an arithmetic number, because the mean of its divisors is an integer number (222870189).

Almost surely, 2^445740377 is an apocalyptic number.

It is an amenable number.

445740377 is a deficient number, since it is larger than the sum of its proper divisors (1).

445740377 is an equidigital number, since it uses as much as digits as its factorization.

445740377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329280, while the sum is 41.

The square root of 445740377 is about 21112.5644344783. The cubic root of 445740377 is about 763.8838448312.

The spelling of 445740377 in words is "four hundred forty-five million, seven hundred forty thousand, three hundred seventy-seven".