145642856087 has 2 divisors, whose sum is σ = 145642856088. Its totient is φ = 145642856086.

The previous prime is 145642856077. The next prime is 145642856089. The reversal of 145642856087 is 780658246541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145642856087 - 2²² = 145638661783 is a prime.

Together with 145642856089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145642856089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72821428043 + 72821428044.

It is an arithmetic number, because the mean of its divisors is an integer number (72821428044).

Almost surely, 2^145642856087 is an apocalyptic number.

145642856087 is a deficient number, since it is larger than the sum of its proper divisors (1).

145642856087 is an equidigital number, since it uses as much as digits as its factorization.

145642856087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 145642856087 in words is "one hundred forty-five billion, six hundred forty-two million, eight hundred fifty-six thousand, eighty-seven".