385142258 has 6 divisors (see below), whose sum is σ = 577755021. Its totient is φ = 192557252.

The previous prime is 385142239. The next prime is 385142267. The reversal of 385142258 is 852241583.

It can be written as a sum of positive squares in 2 ways, for example, as 293882449 + 91259809 = 17143^2 + 9553^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=13877.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20816 + ... + 34692.

Almost surely, 2^385142258 is an apocalyptic number.

385142258 is a deficient number, since it is larger than the sum of its proper divisors (192612763).

385142258 is an frugal number, since it uses more digits than its factorization.

385142258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27756 (or 13879 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 385142258 is about 19625.0416050514. The cubic root of 385142258 is about 727.5682252789.

The spelling of 385142258 in words is "three hundred eighty-five million, one hundred forty-two thousand, two hundred fifty-eight".