145127233 has 2 divisors, whose sum is σ = 145127234. Its totient is φ = 145127232.

The previous prime is 145127183. The next prime is 145127237. The reversal of 145127233 is 332721541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118984464 + 26142769 = 10908^2 + 5113^2 .

It is a cyclic number.

It is not a de Polignac number, because 145127233 - 2¹³ = 145119041 is a prime.

It is not a weakly prime, because it can be changed into another prime (145127237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72563616 + 72563617.

It is an arithmetic number, because the mean of its divisors is an integer number (72563617).

Almost surely, 2^145127233 is an apocalyptic number.

It is an amenable number.

145127233 is a deficient number, since it is larger than the sum of its proper divisors (1).

145127233 is an equidigital number, since it uses as much as digits as its factorization.

145127233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 145127233 is about 12046.8764831387. The cubic root of 145127233 is about 525.5124043372.

Adding to 145127233 its reverse (332721541), we get a palindrome (477848774).

The spelling of 145127233 in words is "one hundred forty-five million, one hundred twenty-seven thousand, two hundred thirty-three".