438052745 has 8 divisors (see below), whose sum is σ = 566099016. Its totient is φ = 323485056.

The previous prime is 438052711. The next prime is 438052777. The reversal of 438052745 is 547250834.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15832441 + 422220304 = 3979^2 + 20548^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 438052745 - 2²⁴ = 421275529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 438052699 and 438052708.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3369572 + ... + 3369701.

It is an arithmetic number, because the mean of its divisors is an integer number (70762377).

Almost surely, 2^438052745 is an apocalyptic number.

It is an amenable number.

438052745 is a deficient number, since it is larger than the sum of its proper divisors (128046271).

438052745 is a wasteful number, since it uses less digits than its factorization.

438052745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6739291.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 438052745 is about 20929.7096253149. The cubic root of 438052745 is about 759.4668149693.

The spelling of 438052745 in words is "four hundred thirty-eight million, fifty-two thousand, seven hundred forty-five".