145888857187 has 2 divisors, whose sum is σ = 145888857188. Its totient is φ = 145888857186.

The previous prime is 145888857173. The next prime is 145888857253. The reversal of 145888857187 is 781758888541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145888857187 is a prime.

It is not a weakly prime, because it can be changed into another prime (145888858187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72944428593 + 72944428594.

It is an arithmetic number, because the mean of its divisors is an integer number (72944428594).

Almost surely, 2^145888857187 is an apocalyptic number.

145888857187 is a deficient number, since it is larger than the sum of its proper divisors (1).

145888857187 is an equidigital number, since it uses as much as digits as its factorization.

145888857187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 160563200, while the sum is 70.

The spelling of 145888857187 in words is "one hundred forty-five billion, eight hundred eighty-eight million, eight hundred fifty-seven thousand, one hundred eighty-seven".