142873340 has 12 divisors (see below), whose sum is σ = 300034056. Its totient is φ = 57149328.

The previous prime is 142873333. The next prime is 142873351. The reversal of 142873340 is 43378241.

It is a junction number, because it is equal to n+sod(n) for n = 142873297 and 142873306.

It is a congruent number.

It is an unprimeable number.

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, 3571814 + ... + 3571853.

It is an arithmetic number, because the mean of its divisors is an integer number (25002838).

Almost surely, 2^142873340 is an apocalyptic number.

142873340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142873340 is an abundant number, since it is smaller than the sum of its proper divisors (157160716).

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

142873340 is a wasteful number, since it uses less digits than its factorization.

142873340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7143676 (or 7143674 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 142873340 is about 11952.9636492378. The cubic root of 142873340 is about 522.7777145939. Note that the first 4 decimals are identical.

The spelling of 142873340 in words is "one hundred forty-two million, eight hundred seventy-three thousand, three hundred forty".