445136147 has 2 divisors, whose sum is σ = 445136148. Its totient is φ = 445136146.

The previous prime is 445136119. The next prime is 445136171. The reversal of 445136147 is 741631544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445136147 - 2⁸ = 445135891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (445132147) 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, 222568073 + 222568074.

It is an arithmetic number, because the mean of its divisors is an integer number (222568074).

Almost surely, 2^445136147 is an apocalyptic number.

445136147 is a deficient number, since it is larger than the sum of its proper divisors (1).

445136147 is an equidigital number, since it uses as much as digits as its factorization.

445136147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 445136147 is about 21098.2498563269. The cubic root of 445136147 is about 763.5385240455.

The spelling of 445136147 in words is "four hundred forty-five million, one hundred thirty-six thousand, one hundred forty-seven".