1420030345 has 16 divisors (see below), whose sum is σ = 1728118800. Its totient is φ = 1120082944.

The previous prime is 1420030343. The next prime is 1420030351. The reversal of 1420030345 is 5430300241.

It can be written as a sum of positive squares in 8 ways, for example, as 41319184 + 1378711161 = 6428^2 + 37131^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420030345 - 2¹ = 1420030343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420030343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95109 + ... + 109021.

It is an arithmetic number, because the mean of its divisors is an integer number (108007425).

Almost surely, 2^1420030345 is an apocalyptic number.

It is an amenable number.

1420030345 is a deficient number, since it is larger than the sum of its proper divisors (308088455).

1420030345 is a wasteful number, since it uses less digits than its factorization.

1420030345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14204.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1420030345 is about 37683.2899970265. The cubic root of 1420030345 is about 1123.9988710132.

Adding to 1420030345 its reverse (5430300241), we get a palindrome (6850330586).

The spelling of 1420030345 in words is "one billion, four hundred twenty million, thirty thousand, three hundred forty-five".