142800450 has 96 divisors (see below), whose sum is σ = 387433536. Its totient is φ = 34594560.

The previous prime is 142800431. The next prime is 142800467. The reversal of 142800450 is 54008241.

It is a self number, because there is not a number n which added to its sum of digits gives 142800450.

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 47 ways as a sum of consecutive naturals, for example, 130104 + ... + 131196.

It is an arithmetic number, because the mean of its divisors is an integer number (4035766).

Almost surely, 2^142800450 is an apocalyptic number.

142800450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142800450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193716768).

142800450 is an abundant number, since it is smaller than the sum of its proper divisors (244633086).

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

142800450 is a wasteful number, since it uses less digits than its factorization.

142800450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 142800450 is about 11949.9142256336. The cubic root of 142800450 is about 522.6887972597.

Adding to 142800450 its reverse (54008241), we get a palindrome (196808691).

The spelling of 142800450 in words is "one hundred forty-two million, eight hundred thousand, four hundred fifty".