142617280 has 56 divisors (see below), whose sum is σ = 365741712. Its totient is φ = 52657152.

The previous prime is 142617271. The next prime is 142617281. The reversal of 142617280 is 82716241.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (142617281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12982 + ... + 21301.

It is an arithmetic number, because the mean of its divisors is an integer number (6531102).

Almost surely, 2^142617280 is an apocalyptic number.

142617280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142617280 is an abundant number, since it is smaller than the sum of its proper divisors (223124432).

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

142617280 is a wasteful number, since it uses less digits than its factorization.

142617280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34313 (or 34303 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 142617280 is about 11942.2476946344. The cubic root of 142617280 is about 522.4652174979.

The spelling of 142617280 in words is "one hundred forty-two million, six hundred seventeen thousand, two hundred eighty".