385454161 has 8 divisors (see below), whose sum is σ = 397044648. Its totient is φ = 373968000.

The previous prime is 385454143. The next prime is 385454183. The reversal of 385454161 is 161454583.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 99201600 + 286252561 = 9960^2 + 16919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 3-Lehmer number, since φ(385454161) divides (385454161-1)³.

It is a cyclic number.

It is not a de Polignac number, because 385454161 - 2⁵ = 385454129 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385454161.

It is not an unprimeable number, because it can be changed into a prime (385454261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18550 + ... + 33391.

It is an arithmetic number, because the mean of its divisors is an integer number (49630581).

It is a Poulet number, since it divides 2^385454160-1.

Almost surely, 2^385454161 is an apocalyptic number.

It is an amenable number.

385454161 is a deficient number, since it is larger than the sum of its proper divisors (11590487).

385454161 is a wasteful number, since it uses less digits than its factorization.

385454161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52163.

The product of its digits is 57600, while the sum is 37.

The square root of 385454161 is about 19632.9865532476. The cubic root of 385454161 is about 727.7645765196.

The spelling of 385454161 in words is "three hundred eighty-five million, four hundred fifty-four thousand, one hundred sixty-one".