385815453 has 16 divisors (see below), whose sum is σ = 527591232. Its totient is φ = 250640000.

The previous prime is 385815407. The next prime is 385815467. The reversal of 385815453 is 354518583.

It is a cyclic number.

It is not a de Polignac number, because 385815453 - 2⁹ = 385814941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385815403) 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 15 ways as a sum of consecutive naturals, for example, 158818 + ... + 161228.

It is an arithmetic number, because the mean of its divisors is an integer number (32974452).

Almost surely, 2^385815453 is an apocalyptic number.

It is an amenable number.

385815453 is a deficient number, since it is larger than the sum of its proper divisors (141775779).

385815453 is a wasteful number, since it uses less digits than its factorization.

385815453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756.

The product of its digits is 288000, while the sum is 42.

The square root of 385815453 is about 19642.1855454020. The cubic root of 385815453 is about 727.9918870861.

The spelling of 385815453 in words is "three hundred eighty-five million, eight hundred fifteen thousand, four hundred fifty-three".