1420404545 has 8 divisors (see below), whose sum is σ = 1947983424. Its totient is φ = 973991664.

The previous prime is 1420404529. The next prime is 1420404547. The reversal of 1420404545 is 5454040241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420404545 - 2⁴ = 1420404529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1420404547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20291459 + ... + 20291528.

It is an arithmetic number, because the mean of its divisors is an integer number (243497928).

Almost surely, 2^1420404545 is an apocalyptic number.

It is an amenable number.

1420404545 is a deficient number, since it is larger than the sum of its proper divisors (527578879).

1420404545 is an equidigital number, since it uses as much as digits as its factorization.

1420404545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40582999.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 1420404545 is about 37688.2547353947. The cubic root of 1420404545 is about 1124.0975927153.

Adding to 1420404545 its reverse (5454040241), we get a palindrome (6874444786).

The spelling of 1420404545 in words is "one billion, four hundred twenty million, four hundred four thousand, five hundred forty-five".