145505527 has 2 divisors, whose sum is σ = 145505528. Its totient is φ = 145505526.

The previous prime is 145505513. The next prime is 145505531. The reversal of 145505527 is 725505541.

It is a strong prime.

It is an emirp because it is prime and its reverse (725505541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145505527 - 2²³ = 137116919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145505492 and 145505501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145505027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72752763 + 72752764.

It is an arithmetic number, because the mean of its divisors is an integer number (72752764).

Almost surely, 2^145505527 is an apocalyptic number.

145505527 is a deficient number, since it is larger than the sum of its proper divisors (1).

145505527 is an equidigital number, since it uses as much as digits as its factorization.

145505527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35000, while the sum is 34.

The square root of 145505527 is about 12062.5671811601. The cubic root of 145505527 is about 525.9686148487.

The spelling of 145505527 in words is "one hundred forty-five million, five hundred five thousand, five hundred twenty-seven".