142424233 has 8 divisors (see below), whose sum is σ = 166092800. Its totient is φ = 122077620.

The previous prime is 142424189. The next prime is 142424263. The reversal of 142424233 is 332424241.

It is a happy number.

142424233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142424233 - 2¹³ = 142416041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142424198 and 142424207.

It is not an unprimeable number, because it can be changed into a prime (142424263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207273 + ... + 207958.

It is an arithmetic number, because the mean of its divisors is an integer number (20761600).

Almost surely, 2^142424233 is an apocalyptic number.

It is an amenable number.

142424233 is a deficient number, since it is larger than the sum of its proper divisors (23668567).

142424233 is an frugal number, since it uses more digits than its factorization.

142424233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415252 (or 415238 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 142424233 is about 11934.1624339540. The cubic root of 142424233 is about 522.2293744422.

Adding to 142424233 its reverse (332424241), we get a palindrome (474848474).

The spelling of 142424233 in words is "one hundred forty-two million, four hundred twenty-four thousand, two hundred thirty-three".