142306620 has 48 divisors (see below), whose sum is σ = 400555680. Its totient is φ = 37748736.

The previous prime is 142306597. The next prime is 142306627. The reversal of 142306620 is 26603241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142306627) 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, 5436 + ... + 17724.

It is an arithmetic number, because the mean of its divisors is an integer number (8344910).

Almost surely, 2^142306620 is an apocalyptic number.

142306620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142306620 is an abundant number, since it is smaller than the sum of its proper divisors (258249060).

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

142306620 is a wasteful number, since it uses less digits than its factorization.

142306620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12494 (or 12492 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 142306620 is about 11929.2338396060. The cubic root of 142306620 is about 522.0855836540.

Adding to 142306620 its reverse (26603241), we get a palindrome (168909861).

The spelling of 142306620 in words is "one hundred forty-two million, three hundred six thousand, six hundred twenty".