142052761 has 4 divisors (see below), whose sum is σ = 148228992. Its totient is φ = 135876532.

The previous prime is 142052747. The next prime is 142052777. The reversal of 142052761 is 167250241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142052761 - 2¹⁵ = 142019993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142052711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3088081 + ... + 3088126.

It is an arithmetic number, because the mean of its divisors is an integer number (37057248).

Almost surely, 2^142052761 is an apocalyptic number.

It is an amenable number.

142052761 is a deficient number, since it is larger than the sum of its proper divisors (6176231).

142052761 is an equidigital number, since it uses as much as digits as its factorization.

142052761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6176230.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 142052761 is about 11918.5888845954. The cubic root of 142052761 is about 521.7749515550.

The spelling of 142052761 in words is "one hundred forty-two million, fifty-two thousand, seven hundred sixty-one".