385198045 has 12 divisors (see below), whose sum is σ = 464391900. Its totient is φ = 306728640.

The previous prime is 385198031. The next prime is 385198049. The reversal of 385198045 is 540891583.

It can be written as a sum of positive squares in 2 ways, for example, as 255648121 + 129549924 = 15989^2 + 11382^2 .

It is not a de Polignac number, because 385198045 - 2¹⁷ = 385066973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385197992 and 385198010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385198049) 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, 366681 + ... + 367729.

It is an arithmetic number, because the mean of its divisors is an integer number (38699325).

Almost surely, 2^385198045 is an apocalyptic number.

It is an amenable number.

385198045 is a deficient number, since it is larger than the sum of its proper divisors (79193855).

385198045 is an equidigital number, since it uses as much as digits as its factorization.

385198045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 385198045 is about 19626.4628754139. The cubic root of 385198045 is about 727.6033524630.

It can be divided in two parts, 38519 and 8045, that added together give a palindrome (46564).

The spelling of 385198045 in words is "three hundred eighty-five million, one hundred ninety-eight thousand, forty-five".