142241628 has 24 divisors (see below), whose sum is σ = 339993360. Its totient is φ = 46257280.

The previous prime is 142241597. The next prime is 142241629. The reversal of 142241628 is 826142241.

It is a junction number, because it is equal to n+sod(n) for n = 142241595 and 142241604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142241629) 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, 144063 + ... + 145046.

It is an arithmetic number, because the mean of its divisors is an integer number (14166390).

Almost surely, 2^142241628 is an apocalyptic number.

It is an amenable number.

142241628 is an abundant number, since it is smaller than the sum of its proper divisors (197751732).

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

142241628 is a wasteful number, since it uses less digits than its factorization.

142241628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289157 (or 289155 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 142241628 is about 11926.5094642146. The cubic root of 142241628 is about 522.0060920297.

Adding to 142241628 its reverse (826142241), we get a palindrome (968383869).

The spelling of 142241628 in words is "one hundred forty-two million, two hundred forty-one thousand, six hundred twenty-eight".