338145825 has 12 divisors (see below), whose sum is σ = 559067888. Its totient is φ = 180344400.

The previous prime is 338145823. The next prime is 338145859. The reversal of 338145825 is 528541833.

It is not a de Polignac number, because 338145825 - 2¹ = 338145823 is a prime.

It is a super-4 number, since 4×338145825⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338145823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2254231 + ... + 2254380.

Almost surely, 2^338145825 is an apocalyptic number.

It is an amenable number.

338145825 is a deficient number, since it is larger than the sum of its proper divisors (220922063).

338145825 is a wasteful number, since it uses less digits than its factorization.

338145825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508624 (or 4508619 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 338145825 is about 18388.7418003516. The cubic root of 338145825 is about 696.6821389796.

The spelling of 338145825 in words is "three hundred thirty-eight million, one hundred forty-five thousand, eight hundred twenty-five".