142200520 has 128 divisors (see below), whose sum is σ = 403004160. Its totient is φ = 43868160.

The previous prime is 142200511. The next prime is 142200523. The reversal of 142200520 is 25002241.

142200520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142200494 and 142200503.

It is not an unprimeable number, because it can be changed into a prime (142200523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421792 + ... + 422128.

It is an arithmetic number, because the mean of its divisors is an integer number (3148470).

Almost surely, 2^142200520 is an apocalyptic number.

142200520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142200520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201502080).

142200520 is an abundant number, since it is smaller than the sum of its proper divisors (260803640).

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

142200520 is a wasteful number, since it uses less digits than its factorization.

142200520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 142200520 is about 11924.7859519574. The cubic root of 142200520 is about 521.9558003904.

Adding to 142200520 its reverse (25002241), we get a palindrome (167202761).

The spelling of 142200520 in words is "one hundred forty-two million, two hundred thousand, five hundred twenty".