142813280 has 48 divisors (see below), whose sum is σ = 348292224. Its totient is φ = 55280640.

The previous prime is 142813273. The next prime is 142813289. The reversal of 142813280 is 82318241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142813289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9437 + ... + 19356.

It is an arithmetic number, because the mean of its divisors is an integer number (7256088).

Almost surely, 2^142813280 is an apocalyptic number.

142813280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142813280 is an abundant number, since it is smaller than the sum of its proper divisors (205478944).

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

142813280 is a wasteful number, since it uses less digits than its factorization.

142813280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28839 (or 28831 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 142813280 is about 11950.4510375132. The cubic root of 142813280 is about 522.7044505634.

The spelling of 142813280 in words is "one hundred forty-two million, eight hundred thirteen thousand, two hundred eighty".