142333420 has 24 divisors (see below), whose sum is σ = 299197584. Its totient is φ = 56876736.

The previous prime is 142333417. The next prime is 142333423. The reversal of 142333420 is 24333241.

It is a happy number.

142333420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142333417) and next prime (142333423).

It is a junction number, because it is equal to n+sod(n) for n = 142333391 and 142333400.

It is not an unprimeable number, because it can be changed into a prime (142333423) 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 7 ways as a sum of consecutive naturals, for example, 21327 + ... + 27193.

It is an arithmetic number, because the mean of its divisors is an integer number (12466566).

Almost surely, 2^142333420 is an apocalyptic number.

142333420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142333420 is an abundant number, since it is smaller than the sum of its proper divisors (156864164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142333420 is a wasteful number, since it uses less digits than its factorization.

142333420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7089 (or 7087 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 142333420 is about 11930.3570776402. The cubic root of 142333420 is about 522.1183556487.

Adding to 142333420 its reverse (24333241), we get a palindrome (166666661).

It can be divided in two parts, 1423 and 33420, that added together give a palindrome (34843).

The spelling of 142333420 in words is "one hundred forty-two million, three hundred thirty-three thousand, four hundred twenty".