142280087 has 2 divisors, whose sum is σ = 142280088. Its totient is φ = 142280086.

The previous prime is 142280081. The next prime is 142280129. The reversal of 142280087 is 780082241.

142280087 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 is a cyclic number.

It is not a de Polignac number, because 142280087 - 2⁶ = 142280023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142280081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71140043 + 71140044.

It is an arithmetic number, because the mean of its divisors is an integer number (71140044).

Almost surely, 2^142280087 is an apocalyptic number.

142280087 is a deficient number, since it is larger than the sum of its proper divisors (1).

142280087 is an equidigital number, since it uses as much as digits as its factorization.

142280087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 142280087 is about 11928.1216878434. The cubic root of 142280087 is about 522.0531341029.

The spelling of 142280087 in words is "one hundred forty-two million, two hundred eighty thousand, eighty-seven".