142589077 has 2 divisors, whose sum is σ = 142589078. Its totient is φ = 142589076.

The previous prime is 142589059. The next prime is 142589093. The reversal of 142589077 is 770985241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82464561 + 60124516 = 9081^2 + 7754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142589077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142589977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71294538 + 71294539.

It is an arithmetic number, because the mean of its divisors is an integer number (71294539).

Almost surely, 2^142589077 is an apocalyptic number.

It is an amenable number.

142589077 is a deficient number, since it is larger than the sum of its proper divisors (1).

142589077 is an equidigital number, since it uses as much as digits as its factorization.

142589077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 142589077 is about 11941.0668283868. The cubic root of 142589077 is about 522.4307755333.

The spelling of 142589077 in words is "one hundred forty-two million, five hundred eighty-nine thousand, seventy-seven".