142223077 has 2 divisors, whose sum is σ = 142223078. Its totient is φ = 142223076.

The previous prime is 142223069. The next prime is 142223089. The reversal of 142223077 is 770322241.

142223077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110481121 + 31741956 = 10511^2 + 5634^2 .

It is a cyclic number.

It is not a de Polignac number, because 142223077 - 2³ = 142223069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142223027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71111538 + 71111539.

It is an arithmetic number, because the mean of its divisors is an integer number (71111539).

Almost surely, 2^142223077 is an apocalyptic number.

It is an amenable number.

142223077 is a deficient number, since it is larger than the sum of its proper divisors (1).

142223077 is an equidigital number, since it uses as much as digits as its factorization.

142223077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 142223077 is about 11925.7317175928. The cubic root of 142223077 is about 521.9833978856.

The spelling of 142223077 in words is "one hundred forty-two million, two hundred twenty-three thousand, seventy-seven".