447144135 has 16 divisors (see below), whose sum is σ = 730653696. Its totient is φ = 233402528.

The previous prime is 447144037. The next prime is 447144161. The reversal of 447144135 is 531441744.

It is a cyclic number.

It is not a de Polignac number, because 447144135 - 2¹³ = 447135943 is a prime.

It is a super-3 number, since 3×447144135³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 447144096 and 447144105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316419 + ... + 317828.

It is an arithmetic number, because the mean of its divisors is an integer number (45665856).

Almost surely, 2^447144135 is an apocalyptic number.

447144135 is a deficient number, since it is larger than the sum of its proper divisors (283509561).

447144135 is a wasteful number, since it uses less digits than its factorization.

447144135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634302.

The product of its digits is 26880, while the sum is 33.

The square root of 447144135 is about 21145.7829129120. The cubic root of 447144135 is about 764.6848973537.

Adding to 447144135 its reverse (531441744), we get a palindrome (978585879).

The spelling of 447144135 in words is "four hundred forty-seven million, one hundred forty-four thousand, one hundred thirty-five".