145256087 has 2 divisors, whose sum is σ = 145256088. Its totient is φ = 145256086.

The previous prime is 145256081. The next prime is 145256113. The reversal of 145256087 is 780652541.

145256087 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 a de Polignac number, because none of the positive numbers 2^k-145256087 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145256087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145256081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72628043 + 72628044.

It is an arithmetic number, because the mean of its divisors is an integer number (72628044).

Almost surely, 2^145256087 is an apocalyptic number.

145256087 is a deficient number, since it is larger than the sum of its proper divisors (1).

145256087 is an equidigital number, since it uses as much as digits as its factorization.

145256087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 145256087 is about 12052.2233218606. The cubic root of 145256087 is about 525.6678870891.

The spelling of 145256087 in words is "one hundred forty-five million, two hundred fifty-six thousand, eighty-seven".