142140500 has 48 divisors (see below), whose sum is σ = 315142464. Its totient is φ = 55994400.

The previous prime is 142140497. The next prime is 142140503. The reversal of 142140500 is 5041241.

142140500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142140497) and next prime (142140503).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142140503) 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, 31379 + ... + 35621.

It is an arithmetic number, because the mean of its divisors is an integer number (6565468).

Almost surely, 2^142140500 is an apocalyptic number.

142140500 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 142140500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157571232).

142140500 is an abundant number, since it is smaller than the sum of its proper divisors (173001964).

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

142140500 is a wasteful number, since it uses less digits than its factorization.

142140500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329 (or 4317 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 142140500 is about 11922.2690793322. The cubic root of 142140500 is about 521.8823543491.

Adding to 142140500 its reverse (5041241), we get a palindrome (147181741).

The spelling of 142140500 in words is "one hundred forty-two million, one hundred forty thousand, five hundred".