142700000 has 72 divisors (see below), whose sum is σ = 351399384. Its totient is φ = 57040000.

The previous prime is 142699979. The next prime is 142700029. The reversal of 142700000 is 7241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99287 + ... + 100713.

It is an arithmetic number, because the mean of its divisors is an integer number (4880547).

Almost surely, 2^142700000 is an apocalyptic number.

142700000 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 142700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175699692).

142700000 is an abundant number, since it is smaller than the sum of its proper divisors (208699384).

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

142700000 is an frugal number, since it uses more digits than its factorization.

142700000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 142700000 is about 11945.7105272144. The cubic root of 142700000 is about 522.5662103317.

Adding to 142700000 its reverse (7241), we get a palindrome (142707241).

The spelling of 142700000 in words is "one hundred forty-two million, seven hundred thousand".