162402385 has 4 divisors (see below), whose sum is σ = 194882868. Its totient is φ = 129921904.

The previous prime is 162402371. The next prime is 162402389. The reversal of 162402385 is 583204261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78074896 + 84327489 = 8836^2 + 9183^2 .

It is a cyclic number.

It is not a de Polignac number, because 162402385 - 2⁷ = 162402257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162402389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16240234 + ... + 16240243.

It is an arithmetic number, because the mean of its divisors is an integer number (48720717).

Almost surely, 2^162402385 is an apocalyptic number.

It is an amenable number.

162402385 is a deficient number, since it is larger than the sum of its proper divisors (32480483).

162402385 is an equidigital number, since it uses as much as digits as its factorization.

162402385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32480482.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 162402385 is about 12743.7194335092. The cubic root of 162402385 is about 545.5871516272.

The spelling of 162402385 in words is "one hundred sixty-two million, four hundred two thousand, three hundred eighty-five".