142471280 has 40 divisors (see below), whose sum is σ = 378568032. Its totient is φ = 48847104.

The previous prime is 142471211. The next prime is 142471297. The reversal of 142471280 is 82174241.

142471280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126647 + ... + 127766.

Almost surely, 2^142471280 is an apocalyptic number.

142471280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142471280 is an abundant number, since it is smaller than the sum of its proper divisors (236096752).

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

142471280 is a wasteful number, since it uses less digits than its factorization.

142471280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254433 (or 254427 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 142471280 is about 11936.1333772709. The cubic root of 142471280 is about 522.2868707920.

The spelling of 142471280 in words is "one hundred forty-two million, four hundred seventy-one thousand, two hundred eighty".