142770752 has 42 divisors (see below), whose sum is σ = 296234358. Its totient is φ = 68265472.

The previous prime is 142770751. The next prime is 142770763. The reversal of 142770752 is 257077241.

It can be written as a sum of positive squares in only one way, i.e., 138674176 + 4096576 = 11776^2 + 2024^2 .

It is not an unprimeable number, because it can be changed into a prime (142770751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31748 + ... + 35964.

It is an arithmetic number, because the mean of its divisors is an integer number (7053199).

Almost surely, 2^142770752 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 142770752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148117179).

142770752 is an abundant number, since it is smaller than the sum of its proper divisors (153463606).

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

142770752 is an equidigital number, since it uses as much as digits as its factorization.

142770752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275 (or 4242 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 142770752 is about 11948.6715579599. The cubic root of 142770752 is about 522.6525604736.

The spelling of 142770752 in words is "one hundred forty-two million, seven hundred seventy thousand, seven hundred fifty-two".