145730003 has 2 divisors, whose sum is σ = 145730004. Its totient is φ = 145730002.

The previous prime is 145729951. The next prime is 145730021. The reversal of 145730003 is 300037541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145730003 - 2⁸ = 145729747 is a prime.

It is not a weakly prime, because it can be changed into another prime (145730063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72865001 + 72865002.

It is an arithmetic number, because the mean of its divisors is an integer number (72865002).

Almost surely, 2^145730003 is an apocalyptic number.

145730003 is a deficient number, since it is larger than the sum of its proper divisors (1).

145730003 is an equidigital number, since it uses as much as digits as its factorization.

145730003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 145730003 is about 12071.8682481213. The cubic root of 145730003 is about 526.2389520421.

Adding to 145730003 its reverse (300037541), we get a palindrome (445767544).

The spelling of 145730003 in words is "one hundred forty-five million, seven hundred thirty thousand, three".