145520327 has 2 divisors, whose sum is σ = 145520328. Its totient is φ = 145520326.

The previous prime is 145520303. The next prime is 145520387. The reversal of 145520327 is 723025541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145520327 - 2⁸ = 145520071 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145520327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145520387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72760163 + 72760164.

It is an arithmetic number, because the mean of its divisors is an integer number (72760164).

Almost surely, 2^145520327 is an apocalyptic number.

145520327 is a deficient number, since it is larger than the sum of its proper divisors (1).

145520327 is an equidigital number, since it uses as much as digits as its factorization.

145520327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 145520327 is about 12063.1806336472. The cubic root of 145520327 is about 525.9864470959.

Adding to 145520327 its reverse (723025541), we get a palindrome (868545868).

The spelling of 145520327 in words is "one hundred forty-five million, five hundred twenty thousand, three hundred twenty-seven".