142433145 has 12 divisors (see below), whose sum is σ = 246884196. Its totient is φ = 75964320.

The previous prime is 142433119. The next prime is 142433183. The reversal of 142433145 is 541334241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77211369 + 65221776 = 8787^2 + 8076^2 .

It is not a de Polignac number, because 142433145 - 2¹¹ = 142431097 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 1582546 + ... + 1582635.

It is an arithmetic number, because the mean of its divisors is an integer number (20573683).

Almost surely, 2^142433145 is an apocalyptic number.

142433145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142433145 is a deficient number, since it is larger than the sum of its proper divisors (104451051).

142433145 is a wasteful number, since it uses less digits than its factorization.

142433145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165192 (or 3165189 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 142433145 is about 11934.5358099928. The cubic root of 142433145 is about 522.2402668094.

Adding to 142433145 its reverse (541334241), we get a palindrome (683767386).

The spelling of 142433145 in words is "one hundred forty-two million, four hundred thirty-three thousand, one hundred forty-five".