145500307 has 2 divisors, whose sum is σ = 145500308. Its totient is φ = 145500306.

The previous prime is 145500301. The next prime is 145500343. The reversal of 145500307 is 703005541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145500307 - 2¹¹ = 145498259 is a prime.

It is not a weakly prime, because it can be changed into another prime (145500301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72750153 + 72750154.

It is an arithmetic number, because the mean of its divisors is an integer number (72750154).

Almost surely, 2^145500307 is an apocalyptic number.

145500307 is a deficient number, since it is larger than the sum of its proper divisors (1).

145500307 is an equidigital number, since it uses as much as digits as its factorization.

145500307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 145500307 is about 12062.3508073675. The cubic root of 145500307 is about 525.9623250785.

Adding to 145500307 its reverse (703005541), we get a palindrome (848505848).

The spelling of 145500307 in words is "one hundred forty-five million, five hundred thousand, three hundred seven".