145244339 has 2 divisors, whose sum is σ = 145244340. Its totient is φ = 145244338.

The previous prime is 145244299. The next prime is 145244369. The reversal of 145244339 is 933442541.

It is a strong prime.

It is an emirp because it is prime and its reverse (933442541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145244339 - 2¹² = 145240243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145244299 and 145244308.

It is not a weakly prime, because it can be changed into another prime (145244369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72622169 + 72622170.

It is an arithmetic number, because the mean of its divisors is an integer number (72622170).

Almost surely, 2^145244339 is an apocalyptic number.

145244339 is a deficient number, since it is larger than the sum of its proper divisors (1).

145244339 is an equidigital number, since it uses as much as digits as its factorization.

145244339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 145244339 is about 12051.7359330513. The cubic root of 145244339 is about 525.6537150776.

The spelling of 145244339 in words is "one hundred forty-five million, two hundred forty-four thousand, three hundred thirty-nine".