1424111545 has 4 divisors (see below), whose sum is σ = 1708933860. Its totient is φ = 1139289232.

The previous prime is 1424111543. The next prime is 1424111627. The reversal of 1424111545 is 5451114241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 772228521 + 651883024 = 27789^2 + 25532^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424111545 - 2¹ = 1424111543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1424111543) by changing a digit.

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, 142411150 + ... + 142411159.

It is an arithmetic number, because the mean of its divisors is an integer number (427233465).

Almost surely, 2^1424111545 is an apocalyptic number.

It is an amenable number.

1424111545 is a deficient number, since it is larger than the sum of its proper divisors (284822315).

1424111545 is an equidigital number, since it uses as much as digits as its factorization.

1424111545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284822314.

The product of its digits is 3200, while the sum is 28.

The square root of 1424111545 is about 37737.4024675785. The cubic root of 1424111545 is about 1125.0746406444.

Adding to 1424111545 its reverse (5451114241), we get a palindrome (6875225786).

The spelling of 1424111545 in words is "one billion, four hundred twenty-four million, one hundred eleven thousand, five hundred forty-five".