145594843 has 2 divisors, whose sum is σ = 145594844. Its totient is φ = 145594842.

The previous prime is 145594781. The next prime is 145594871. The reversal of 145594843 is 348495541.

It is a strong prime.

It is an emirp because it is prime and its reverse (348495541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145594843 - 2⁹ = 145594331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145594843.

It is not a weakly prime, because it can be changed into another prime (145594543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72797421 + 72797422.

It is an arithmetic number, because the mean of its divisors is an integer number (72797422).

Almost surely, 2^145594843 is an apocalyptic number.

145594843 is a deficient number, since it is larger than the sum of its proper divisors (1).

145594843 is an equidigital number, since it uses as much as digits as its factorization.

145594843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 43.

The square root of 145594843 is about 12066.2688101998. The cubic root of 145594843 is about 526.0762116871.

The spelling of 145594843 in words is "one hundred forty-five million, five hundred ninety-four thousand, eight hundred forty-three".