142005700 has 18 divisors (see below), whose sum is σ = 308152586. Its totient is φ = 56802240.

The previous prime is 142005691. The next prime is 142005707. The reversal of 142005700 is 7500241.

142005700 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 19061956 + 122943744 = 4366^2 + 11088^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142005707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 709929 + ... + 710128.

Almost surely, 2^142005700 is an apocalyptic number.

142005700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142005700 is an abundant number, since it is smaller than the sum of its proper divisors (166146886).

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

142005700 is a wasteful number, since it uses less digits than its factorization.

142005700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420071 (or 1420064 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 142005700 is about 11916.6144521001. The cubic root of 142005700 is about 521.7173251656.

Adding to 142005700 its reverse (7500241), we get a palindrome (149505941).

It can be divided in two parts, 14200 and 5700, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 142005700 in words is "one hundred forty-two million, five thousand, seven hundred".