145000043 has 2 divisors, whose sum is σ = 145000044. Its totient is φ = 145000042.

The previous prime is 145000033. The next prime is 145000049. The reversal of 145000043 is 340000541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145000043 - 2⁸ = 144999787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144999985 and 145000030.

It is not a weakly prime, because it can be changed into another prime (145000049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72500021 + 72500022.

It is an arithmetic number, because the mean of its divisors is an integer number (72500022).

Almost surely, 2^145000043 is an apocalyptic number.

145000043 is a deficient number, since it is larger than the sum of its proper divisors (1).

145000043 is an equidigital number, since it uses as much as digits as its factorization.

145000043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 145000043 is about 12041.5963642700. The cubic root of 145000043 is about 525.3588391813.

Adding to 145000043 its reverse (340000541), we get a palindrome (485000584).

The spelling of 145000043 in words is "one hundred forty-five million, forty-three", and thus it is an aban number.