145091143 has 2 divisors, whose sum is σ = 145091144. Its totient is φ = 145091142.

The previous prime is 145091131. The next prime is 145091161. The reversal of 145091143 is 341190541.

145091143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145091143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145095143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72545571 + 72545572.

It is an arithmetic number, because the mean of its divisors is an integer number (72545572).

Almost surely, 2^145091143 is an apocalyptic number.

145091143 is a deficient number, since it is larger than the sum of its proper divisors (1).

145091143 is an equidigital number, since it uses as much as digits as its factorization.

145091143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 145091143 is about 12045.3784913551. The cubic root of 145091143 is about 525.4688395409.

The spelling of 145091143 in words is "one hundred forty-five million, ninety-one thousand, one hundred forty-three".