145073143 has 2 divisors, whose sum is σ = 145073144. Its totient is φ = 145073142.

The previous prime is 145073141. The next prime is 145073147. The reversal of 145073143 is 341370541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145073143 - 2¹ = 145073141 is a prime.

Together with 145073141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145073141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72536571 + 72536572.

It is an arithmetic number, because the mean of its divisors is an integer number (72536572).

Almost surely, 2^145073143 is an apocalyptic number.

145073143 is a deficient number, since it is larger than the sum of its proper divisors (1).

145073143 is an equidigital number, since it uses as much as digits as its factorization.

145073143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 145073143 is about 12044.6312936511. The cubic root of 145073143 is about 525.4471087629.

The spelling of 145073143 in words is "one hundred forty-five million, seventy-three thousand, one hundred forty-three".