142420302 has 32 divisors (see below), whose sum is σ = 319635360. Its totient is φ = 47001600.

The previous prime is 142420283. The next prime is 142420303. The reversal of 142420302 is 203024241.

142420302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142420303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7603 + ... + 18510.

It is an arithmetic number, because the mean of its divisors is an integer number (9988605).

Almost surely, 2^142420302 is an apocalyptic number.

142420302 is an abundant number, since it is smaller than the sum of its proper divisors (177215058).

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

142420302 is a wasteful number, since it uses less digits than its factorization.

142420302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26225 (or 26219 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142420302 is about 11933.9977375563. The cubic root of 142420302 is about 522.2245697763.

Adding to 142420302 its reverse (203024241), we get a palindrome (345444543).

The spelling of 142420302 in words is "one hundred forty-two million, four hundred twenty thousand, three hundred two".