145599143 has 2 divisors, whose sum is σ = 145599144. Its totient is φ = 145599142.

The previous prime is 145599121. The next prime is 145599173. The reversal of 145599143 is 341995541.

It is a weak prime.

It is an emirp because it is prime and its reverse (341995541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145599143 - 2¹⁶ = 145533607 is a prime.

It is a super-2 number, since 2×145599143² = 42398220884668898, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145599143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145599173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72799571 + 72799572.

It is an arithmetic number, because the mean of its divisors is an integer number (72799572).

Almost surely, 2^145599143 is an apocalyptic number.

145599143 is a deficient number, since it is larger than the sum of its proper divisors (1).

145599143 is an equidigital number, since it uses as much as digits as its factorization.

145599143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 41.

The square root of 145599143 is about 12066.4469915547. The cubic root of 145599143 is about 526.0813906833.

The spelling of 145599143 in words is "one hundred forty-five million, five hundred ninety-nine thousand, one hundred forty-three".