1420424445 has 48 divisors (see below), whose sum is σ = 2507533056. Its totient is φ = 686083200.

The previous prime is 1420424431. The next prime is 1420424479. The reversal of 1420424445 is 5444240241.

It is not a de Polignac number, because 1420424445 - 2⁶ = 1420424381 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 (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 530460 + ... + 533130.

It is an arithmetic number, because the mean of its divisors is an integer number (52240272).

Almost surely, 2^1420424445 is an apocalyptic number.

1420424445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420424445 is a deficient number, since it is larger than the sum of its proper divisors (1087108611).

1420424445 is a wasteful number, since it uses less digits than its factorization.

1420424445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994 (or 2983 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 1420424445 is about 37688.5187424499. The cubic root of 1420424445 is about 1124.1028422615.

Adding to 1420424445 its reverse (5444240241), we get a palindrome (6864664686).

The spelling of 1420424445 in words is "one billion, four hundred twenty million, four hundred twenty-four thousand, four hundred forty-five".