1420662245 has 8 divisors (see below), whose sum is σ = 1732742520. Its totient is φ = 1117897920.

The previous prime is 1420662223. The next prime is 1420662289. The reversal of 1420662245 is 5422660241.

It can be written as a sum of positive squares in 4 ways, for example, as 160554241 + 1260108004 = 12671^2 + 35498^2 .

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

It is not a de Polignac number, because 1420662245 - 2⁶ = 1420662181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2328650 + ... + 2329259.

It is an arithmetic number, because the mean of its divisors is an integer number (216592815).

Almost surely, 2^1420662245 is an apocalyptic number.

It is an amenable number.

1420662245 is a deficient number, since it is larger than the sum of its proper divisors (312080275).

1420662245 is an equidigital number, since it uses as much as digits as its factorization.

1420662245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657975.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1420662245 is about 37691.6734173478. The cubic root of 1420662245 is about 1124.1655692257.

The spelling of 1420662245 in words is "one billion, four hundred twenty million, six hundred sixty-two thousand, two hundred forty-five".