142805752 has 16 divisors (see below), whose sum is σ = 273988440. Its totient is φ = 69742176.

The previous prime is 142805737. The next prime is 142805753. The reversal of 142805752 is 257508241.

142805752 = T₁₄₂₃ + T₁₄₂₄ + ... + T₁₅₅₁.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142805753) 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, 207223 + ... + 207910.

Almost surely, 2^142805752 is an apocalyptic number.

It is an amenable number.

142805752 is a deficient number, since it is larger than the sum of its proper divisors (131182688).

142805752 is a wasteful number, since it uses less digits than its factorization.

142805752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415182 (or 415178 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 142805752 is about 11950.1360661710. The cubic root of 142805752 is about 522.6952661042.

The spelling of 142805752 in words is "one hundred forty-two million, eight hundred five thousand, seven hundred fifty-two".