246215146 has 4 divisors (see below), whose sum is σ = 369322722. Its totient is φ = 123107572.

The previous prime is 246215143. The next prime is 246215159. The reversal of 246215146 is 641512642.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 147987225 + 98227921 = 12165^2 + 9911^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (246215143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61553785 + ... + 61553788.

Almost surely, 2^246215146 is an apocalyptic number.

246215146 is a deficient number, since it is larger than the sum of its proper divisors (123107576).

246215146 is a wasteful number, since it uses less digits than its factorization.

246215146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123107575.

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

The square root of 246215146 is about 15691.2442463942. The cubic root of 246215146 is about 626.7652673558.

Adding to 246215146 its reverse (641512642), we get a palindrome (887727788).

The spelling of 246215146 in words is "two hundred forty-six million, two hundred fifteen thousand, one hundred forty-six".