142775753 has 2 divisors, whose sum is σ = 142775754. Its totient is φ = 142775752.

The previous prime is 142775749. The next prime is 142775767. The reversal of 142775753 is 357577241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142730809 + 44944 = 11947^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 142775753 - 2² = 142775749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142775753.

It is not a weakly prime, because it can be changed into another prime (142775713) 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 as a sum of consecutive naturals, namely, 71387876 + 71387877.

It is an arithmetic number, because the mean of its divisors is an integer number (71387877).

Almost surely, 2^142775753 is an apocalyptic number.

It is an amenable number.

142775753 is a deficient number, since it is larger than the sum of its proper divisors (1).

142775753 is an equidigital number, since it uses as much as digits as its factorization.

142775753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 205800, while the sum is 41.

The square root of 142775753 is about 11948.8808262531. The cubic root of 142775753 is about 522.6586629255.

The spelling of 142775753 in words is "one hundred forty-two million, seven hundred seventy-five thousand, seven hundred fifty-three".