162240003 has 20 divisors (see below), whose sum is σ = 242934120. Its totient is φ = 107903232.

The previous prime is 162239977. The next prime is 162240047. The reversal of 162240003 is 300042261.

It is a happy number.

162240003 is a `hidden beast` number, since 1 + 622 + 40 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 162240003 - 2⁵ = 162239971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162240073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35683 + ... + 39971.

It is an arithmetic number, because the mean of its divisors is an integer number (12146706).

Almost surely, 2^162240003 is an apocalyptic number.

162240003 is a deficient number, since it is larger than the sum of its proper divisors (80694117).

162240003 is an equidigital number, since it uses as much as digits as its factorization.

162240003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768 (or 4759 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 162240003 is about 12737.3467802365. The cubic root of 162240003 is about 545.4052514317.

Adding to 162240003 its reverse (300042261), we get a palindrome (462282264).

The spelling of 162240003 in words is "one hundred sixty-two million, two hundred forty thousand, three".