142007800 has 96 divisors (see below), whose sum is σ = 381471120. Its totient is φ = 48588800.

The previous prime is 142007791. The next prime is 142007839. The reversal of 142007800 is 8700241.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35502 + ... + 39298.

Almost surely, 2^142007800 is an apocalyptic number.

142007800 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 142007800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190735560).

142007800 is an abundant number, since it is smaller than the sum of its proper divisors (239463320).

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

142007800 is a wasteful number, since it uses less digits than its factorization.

142007800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841 (or 3832 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 142007800 is about 11916.7025640485. The cubic root of 142007800 is about 521.7198968956.

The spelling of 142007800 in words is "one hundred forty-two million, seven thousand, eight hundred".