144890952187 has 2 divisors, whose sum is σ = 144890952188. Its totient is φ = 144890952186.

The previous prime is 144890952139. The next prime is 144890952211. The reversal of 144890952187 is 781259098441.

It is a strong prime.

It is an emirp because it is prime and its reverse (781259098441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144890952187 is a prime.

It is not a weakly prime, because it can be changed into another prime (144890952127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72445476093 + 72445476094.

It is an arithmetic number, because the mean of its divisors is an integer number (72445476094).

Almost surely, 2^144890952187 is an apocalyptic number.

144890952187 is a deficient number, since it is larger than the sum of its proper divisors (1).

144890952187 is an equidigital number, since it uses as much as digits as its factorization.

144890952187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 58.

The spelling of 144890952187 in words is "one hundred forty-four billion, eight hundred ninety million, nine hundred fifty-two thousand, one hundred eighty-seven".