2345142431421 has 6 divisors (see below), whose sum is σ = 3387427956510. Its totient is φ = 1563428287608.

The previous prime is 2345142431383. The next prime is 2345142431431. The reversal of 2345142431421 is 1241342415432.

2345142431421 is a `hidden beast` number, since 2 + 3 + 45 + 142 + 431 + 42 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1621725840900 + 723416590521 = 1273470^2 + 850539^2 .

It is not a de Polignac number, because 2345142431421 - 2¹⁴ = 2345142415037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345142431431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130285690626 + ... + 130285690643.

It is an arithmetic number, because the mean of its divisors is an integer number (564571326085).

Almost surely, 2^{2345142431421} is an apocalyptic number.

It is an amenable number.

2345142431421 is a deficient number, since it is larger than the sum of its proper divisors (1042285525089).

2345142431421 is a wasteful number, since it uses less digits than its factorization.

2345142431421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260571381275 (or 260571381272 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

Adding to 2345142431421 its reverse (1241342415432), we get a palindrome (3586484846853).

The spelling of 2345142431421 in words is "two trillion, three hundred forty-five billion, one hundred forty-two million, four hundred thirty-one thousand, four hundred twenty-one".