246140145 has 12 divisors (see below), whose sum is σ = 426642996. Its totient is φ = 131274720.

The previous prime is 246140143. The next prime is 246140171. The reversal of 246140145 is 541041642.

246140145 is a `hidden beast` number, since 2 + 4 + 614 + 0 + 1 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 112529664 + 133610481 = 10608^2 + 11559^2 .

It is not a de Polignac number, because 246140145 - 2¹ = 246140143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (246140143) 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 in 11 ways as a sum of consecutive naturals, for example, 2734846 + ... + 2734935.

It is an arithmetic number, because the mean of its divisors is an integer number (35553583).

Almost surely, 2^246140145 is an apocalyptic number.

It is an amenable number.

246140145 is a deficient number, since it is larger than the sum of its proper divisors (180502851).

246140145 is a wasteful number, since it uses less digits than its factorization.

246140145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469792 (or 5469789 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 246140145 is about 15688.8541646610. The cubic root of 246140145 is about 626.7016200450.

Adding to 246140145 its reverse (541041642), we get a palindrome (787181787).

The spelling of 246140145 in words is "two hundred forty-six million, one hundred forty thousand, one hundred forty-five".