4342140445 has 12 divisors (see below), whose sum is σ = 5446968156. Its totient is φ = 3322679360.

The previous prime is 4342140443. The next prime is 4342140461. The reversal of 4342140445 is 5440412434.

It can be written as a sum of positive squares in 2 ways, for example, as 1756112836 + 2586027609 = 41906^2 + 50853^2 .

It is not a de Polignac number, because 4342140445 - 2¹ = 4342140443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4342140443) 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, 818176 + ... + 823465.

It is an arithmetic number, because the mean of its divisors is an integer number (453914013).

Almost surely, 2^4342140445 is an apocalyptic number.

It is an amenable number.

4342140445 is a deficient number, since it is larger than the sum of its proper divisors (1104827711).

4342140445 is a wasteful number, since it uses less digits than its factorization.

4342140445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641692 (or 1641669 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 4342140445 is about 65894.9197207190. The cubic root of 4342140445 is about 1631.4281641743.

Adding to 4342140445 its reverse (5440412434), we get a palindrome (9782552879).

The spelling of 4342140445 in words is "four billion, three hundred forty-two million, one hundred forty thousand, four hundred forty-five".