142001700 has 72 divisors (see below), whose sum is σ = 424139520. Its totient is φ = 36643200.

The previous prime is 142001693. The next prime is 142001707. The reversal of 142001700 is 7100241.

It is an interprime number because it is at equal distance from previous prime (142001693) and next prime (142001707).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 142001700.

It is not an unprimeable number, because it can be changed into a prime (142001707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1666 + ... + 16934.

Almost surely, 2^142001700 is an apocalyptic number.

142001700 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 142001700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212069760).

142001700 is an abundant number, since it is smaller than the sum of its proper divisors (282137820).

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

142001700 is a wasteful number, since it uses less digits than its factorization.

142001700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15317 (or 15310 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 142001700 is about 11916.4466180150. The cubic root of 142001700 is about 521.7124265620.

Adding to 142001700 its reverse (7100241), we get a palindrome (149101941).

The spelling of 142001700 in words is "one hundred forty-two million, one thousand, seven hundred".