438245245 has 16 divisors (see below), whose sum is σ = 546329520. Its totient is φ = 337075200.

The previous prime is 438245239. The next prime is 438245257. The reversal of 438245245 is 542542834.

It can be written as a sum of positive squares in 8 ways, for example, as 32867289 + 405377956 = 5733^2 + 20134^2 .

It is not a de Polignac number, because 438245245 - 2⁷ = 438245117 is a prime.

It is a super-2 number, since 2×438245245² = 384117789530220050, which contains 22 as substring.

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, 28675 + ... + 41215.

It is an arithmetic number, because the mean of its divisors is an integer number (34145595).

Almost surely, 2^438245245 is an apocalyptic number.

It is an amenable number.

438245245 is a deficient number, since it is larger than the sum of its proper divisors (108084275).

438245245 is a wasteful number, since it uses less digits than its factorization.

438245245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12816.

The product of its digits is 153600, while the sum is 37.

The square root of 438245245 is about 20934.3078462126. The cubic root of 438245245 is about 759.5780465912.

The spelling of 438245245 in words is "four hundred thirty-eight million, two hundred forty-five thousand, two hundred forty-five".