142253280 has 384 divisors, whose sum is σ = 571536000. Its totient is φ = 32735232.

The previous prime is 142253273. The next prime is 142253317. The reversal of 142253280 is 82352241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 954646 + ... + 954794.

It is an arithmetic number, because the mean of its divisors is an integer number (1488375).

Almost surely, 2^142253280 is an apocalyptic number.

142253280 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 142253280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285768000).

142253280 is an abundant number, since it is smaller than the sum of its proper divisors (429282720).

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

142253280 is a wasteful number, since it uses less digits than its factorization.

142253280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 142253280 is about 11926.9979458370. The cubic root of 142253280 is about 522.0203453558.

The spelling of 142253280 in words is "one hundred forty-two million, two hundred fifty-three thousand, two hundred eighty".