1420545446 has 8 divisors (see below), whose sum is σ = 2131323600. Its totient is φ = 710104248.

The previous prime is 1420545407. The next prime is 1420545479. The reversal of 1420545446 is 6445450241.

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

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 3 ways as a sum of consecutive naturals, for example, 73421 + ... + 90728.

It is an arithmetic number, because the mean of its divisors is an integer number (266415450).

Almost surely, 2^1420545446 is an apocalyptic number.

1420545446 is a deficient number, since it is larger than the sum of its proper divisors (710778154).

1420545446 is a wasteful number, since it uses less digits than its factorization.

1420545446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168478.

The product of its (nonzero) digits is 76800, while the sum is 35.

The square root of 1420545446 is about 37690.1239849380. The cubic root of 1420545446 is about 1124.1347608209.

Adding to 1420545446 its reverse (6445450241), we get a palindrome (7865995687).

The spelling of 1420545446 in words is "one billion, four hundred twenty million, five hundred forty-five thousand, four hundred forty-six".