145143443 has 2 divisors, whose sum is σ = 145143444. Its totient is φ = 145143442.

The previous prime is 145143431. The next prime is 145143469. The reversal of 145143443 is 344341541.

It is a happy number.

145143443 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 not a de Polignac number, because 145143443 - 2²² = 140949139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145143343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72571721 + 72571722.

It is an arithmetic number, because the mean of its divisors is an integer number (72571722).

Almost surely, 2^145143443 is an apocalyptic number.

145143443 is a deficient number, since it is larger than the sum of its proper divisors (1).

145143443 is an equidigital number, since it uses as much as digits as its factorization.

145143443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 29.

The square root of 145143443 is about 12047.5492528564. The cubic root of 145143443 is about 525.5319693280.

Adding to 145143443 its reverse (344341541), we get a palindrome (489484984).

The spelling of 145143443 in words is "one hundred forty-five million, one hundred forty-three thousand, four hundred forty-three".