142743276 has 96 divisors (see below), whose sum is σ = 419596800. Its totient is φ = 41601600.

The previous prime is 142743269. The next prime is 142743281. The reversal of 142743276 is 672347241.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 142743276.

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 31 ways as a sum of consecutive naturals, for example, 24001 + ... + 29351.

It is an arithmetic number, because the mean of its divisors is an integer number (4370800).

Almost surely, 2^142743276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142743276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209798400).

142743276 is an abundant number, since it is smaller than the sum of its proper divisors (276853524).

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

142743276 is a wasteful number, since it uses less digits than its factorization.

142743276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5396 (or 5388 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 142743276 is about 11947.5217513926. The cubic root of 142743276 is about 522.6190304429.

The spelling of 142743276 in words is "one hundred forty-two million, seven hundred forty-three thousand, two hundred seventy-six".