1415242543 has 16 divisors (see below), whose sum is σ = 1720000800. Its totient is φ = 1146660480.

The previous prime is 1415242523. The next prime is 1415242547. The reversal of 1415242543 is 3452425141.

It is a cyclic number.

It is not a de Polignac number, because 1415242543 - 2⁵ = 1415242511 is a prime.

It is a super-2 number, since 2×1415242543² = 4005822911034213698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1415242547) 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 15 ways as a sum of consecutive naturals, for example, 166488 + ... + 174781.

It is an arithmetic number, because the mean of its divisors is an integer number (107500050).

Almost surely, 2^1415242543 is an apocalyptic number.

1415242543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1415242543 is a deficient number, since it is larger than the sum of its proper divisors (304758257).

1415242543 is a wasteful number, since it uses less digits than its factorization.

1415242543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341322.

The product of its digits is 19200, while the sum is 31.

The square root of 1415242543 is about 37619.7095018024. The cubic root of 1415242543 is about 1122.7342164652.

Adding to 1415242543 its reverse (3452425141), we get a palindrome (4867667684).

The spelling of 1415242543 in words is "one billion, four hundred fifteen million, two hundred forty-two thousand, five hundred forty-three".