142617340 has 12 divisors (see below), whose sum is σ = 299496456. Its totient is φ = 57046928.

The previous prime is 142617289. The next prime is 142617341. The reversal of 142617340 is 43716241.

It is a junction number, because it is equal to n+sod(n) for n = 142617299 and 142617308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142617341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3565414 + ... + 3565453.

It is an arithmetic number, because the mean of its divisors is an integer number (24958038).

Almost surely, 2^142617340 is an apocalyptic number.

142617340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142617340 is an abundant number, since it is smaller than the sum of its proper divisors (156879116).

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

142617340 is a wasteful number, since it uses less digits than its factorization.

142617340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130876 (or 7130874 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 142617340 is about 11942.2502067240. The cubic root of 142617340 is about 522.4652907661.

The spelling of 142617340 in words is "one hundred forty-two million, six hundred seventeen thousand, three hundred forty".