145740143 has 2 divisors, whose sum is σ = 145740144. Its totient is φ = 145740142.

The previous prime is 145740131. The next prime is 145740157. The reversal of 145740143 is 341047541.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (341047541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145740143 - 2¹² = 145736047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145740103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72870071 + 72870072.

It is an arithmetic number, because the mean of its divisors is an integer number (72870072).

Almost surely, 2^145740143 is an apocalyptic number.

145740143 is a deficient number, since it is larger than the sum of its proper divisors (1).

145740143 is an equidigital number, since it uses as much as digits as its factorization.

145740143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 145740143 is about 12072.2882255188. The cubic root of 145740143 is about 526.2511571225.

Adding to 145740143 its reverse (341047541), we get a palindrome (486787684).

The spelling of 145740143 in words is "one hundred forty-five million, seven hundred forty thousand, one hundred forty-three".