142243503 has 16 divisors (see below), whose sum is σ = 195202656. Its totient is φ = 92067840.

The previous prime is 142243501. The next prime is 142243511. The reversal of 142243503 is 305342241.

It is not a de Polignac number, because 142243503 - 2¹ = 142243501 is a prime.

It is a super-2 number, since 2×142243503² = 40466428291422018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142243501) 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, 64743 + ... + 66903.

It is an arithmetic number, because the mean of its divisors is an integer number (12200166).

Almost surely, 2^142243503 is an apocalyptic number.

142243503 is a deficient number, since it is larger than the sum of its proper divisors (52959153).

142243503 is a wasteful number, since it uses less digits than its factorization.

142243503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 142243503 is about 11926.5880703578. The cubic root of 142243503 is about 522.0083856788.

Adding to 142243503 its reverse (305342241), we get a palindrome (447585744).

The spelling of 142243503 in words is "one hundred forty-two million, two hundred forty-three thousand, five hundred three".