385142265 has 24 divisors (see below), whose sum is σ = 678899520. Its totient is φ = 201926304.

The previous prime is 385142239. The next prime is 385142267. The reversal of 385142265 is 562241583.

385142265 is a `hidden beast` number, since 385 + 14 + 2 + 265 = 666.

It is not a de Polignac number, because 385142265 - 2⁷ = 385142137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385142267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69877 + ... + 75186.

It is an arithmetic number, because the mean of its divisors is an integer number (28287480).

Almost surely, 2^385142265 is an apocalyptic number.

It is an amenable number.

385142265 is a deficient number, since it is larger than the sum of its proper divisors (293757255).

385142265 is a wasteful number, since it uses less digits than its factorization.

385142265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145133 (or 145130 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 385142265 is about 19625.0417833950. The cubic root of 385142265 is about 727.5682296868.

The spelling of 385142265 in words is "three hundred eighty-five million, one hundred forty-two thousand, two hundred sixty-five".