142901280 has 192 divisors, whose sum is σ = 526780800. Its totient is φ = 36080640.

The previous prime is 142901279. The next prime is 142901309. The reversal of 142901280 is 82109241.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81210 + ... + 82950.

It is an arithmetic number, because the mean of its divisors is an integer number (2743650).

Almost surely, 2^142901280 is an apocalyptic number.

142901280 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 142901280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263390400).

142901280 is an abundant number, since it is smaller than the sum of its proper divisors (383879520).

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

142901280 is a wasteful number, since it uses less digits than its factorization.

142901280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 142901280 is about 11954.1323399066. The cubic root of 142901280 is about 522.8117901308.

The spelling of 142901280 in words is "one hundred forty-two million, nine hundred one thousand, two hundred eighty".