142275276 has 144 divisors (see below), whose sum is σ = 437542560. Its totient is φ = 38384640.

The previous prime is 142275253. The next prime is 142275277. The reversal of 142275276 is 672572241.

It is a happy number.

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 142275276.

It is not an unprimeable number, because it can be changed into a prime (142275277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148816 + ... + 149768.

It is an arithmetic number, because the mean of its divisors is an integer number (3038490).

Almost surely, 2^142275276 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 142275276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218771280).

142275276 is an abundant number, since it is smaller than the sum of its proper divisors (295267284).

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

142275276 is a wasteful number, since it uses less digits than its factorization.

142275276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1011 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 142275276 is about 11927.9200198526. The cubic root of 142275276 is about 522.0472498737.

It can be divided in two parts, 14227 and 5276, that added together give a triangular number (19503 = T₁₉₇).

The spelling of 142275276 in words is "one hundred forty-two million, two hundred seventy-five thousand, two hundred seventy-six".