142343020 has 24 divisors (see below), whose sum is σ = 309229200. Its totient is φ = 54973632.

The previous prime is 142343017. The next prime is 142343027. The reversal of 142343020 is 20343241.

It is not an unprimeable number, because it can be changed into a prime (142343027) 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, 122130 + ... + 123289.

It is an arithmetic number, because the mean of its divisors is an integer number (12884550).

Almost surely, 2^142343020 is an apocalyptic number.

142343020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142343020 is an abundant number, since it is smaller than the sum of its proper divisors (166886180).

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

142343020 is a wasteful number, since it uses less digits than its factorization.

142343020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245457 (or 245455 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 142343020 is about 11930.7594058383. The cubic root of 142343020 is about 522.1300938699.

Adding to 142343020 its reverse (20343241), we get a palindrome (162686261).

The spelling of 142343020 in words is "one hundred forty-two million, three hundred forty-three thousand, twenty".