145323103 has 2 divisors, whose sum is σ = 145323104. Its totient is φ = 145323102.

The previous prime is 145323053. The next prime is 145323109. The reversal of 145323103 is 301323541.

It is a strong prime.

It is an emirp because it is prime and its reverse (301323541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145323103 - 2⁹ = 145322591 is a prime.

It is a super-2 number, since 2×145323103² = 42237608531097218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145323109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72661551 + 72661552.

It is an arithmetic number, because the mean of its divisors is an integer number (72661552).

Almost surely, 2^145323103 is an apocalyptic number.

145323103 is a deficient number, since it is larger than the sum of its proper divisors (1).

145323103 is an equidigital number, since it uses as much as digits as its factorization.

145323103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 145323103 is about 12055.0032351717. The cubic root of 145323103 is about 525.7487161581.

Adding to 145323103 its reverse (301323541), we get a palindrome (446646644).

The spelling of 145323103 in words is "one hundred forty-five million, three hundred twenty-three thousand, one hundred three".