1426432345 has 32 divisors (see below), whose sum is σ = 1981058688. Its totient is φ = 976555008.

The previous prime is 1426432297. The next prime is 1426432349. The reversal of 1426432345 is 5432346241.

It is not a de Polignac number, because 1426432345 - 2¹¹ = 1426430297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1426432345.

It is not an unprimeable number, because it can be changed into a prime (1426432349) 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 31 ways as a sum of consecutive naturals, for example, 64402 + ... + 83668.

It is an arithmetic number, because the mean of its divisors is an integer number (61908084).

Almost surely, 2^1426432345 is an apocalyptic number.

It is an amenable number.

1426432345 is a deficient number, since it is larger than the sum of its proper divisors (554626343).

1426432345 is a wasteful number, since it uses less digits than its factorization.

1426432345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19369.

The product of its digits is 69120, while the sum is 34.

The square root of 1426432345 is about 37768.1392843227. The cubic root of 1426432345 is about 1125.6854673598.

Adding to 1426432345 its reverse (5432346241), we get a palindrome (6858778586).

The spelling of 1426432345 in words is "one billion, four hundred twenty-six million, four hundred thirty-two thousand, three hundred forty-five".