1420325345 has 4 divisors (see below), whose sum is σ = 1704390420. Its totient is φ = 1136260272.

The previous prime is 1420325339. The next prime is 1420325351. The reversal of 1420325345 is 5435230241.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1420325339) and next prime (1420325351).

It can be written as a sum of positive squares in 2 ways, for example, as 506835169 + 913490176 = 22513^2 + 30224^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420325345 - 2⁸ = 1420325089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142032530 + ... + 142032539.

It is an arithmetic number, because the mean of its divisors is an integer number (426097605).

Almost surely, 2^1420325345 is an apocalyptic number.

It is an amenable number.

1420325345 is a deficient number, since it is larger than the sum of its proper divisors (284065075).

1420325345 is an equidigital number, since it uses as much as digits as its factorization.

1420325345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284065074.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1420325345 is about 37687.2039955208. The cubic root of 1420325345 is about 1124.0766995634.

Adding to 1420325345 its reverse (5435230241), we get a palindrome (6855555586).

The spelling of 1420325345 in words is "one billion, four hundred twenty million, three hundred twenty-five thousand, three hundred forty-five".