145484525 has 6 divisors (see below), whose sum is σ = 180400842. Its totient is φ = 116387600.

The previous prime is 145484497. The next prime is 145484551. The reversal of 145484525 is 525484541.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 22762441 + 122722084 = 4771^2 + 11078^2 .

It is a de Polignac number, because none of the positive numbers 2^k-145484525 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2909666 + ... + 2909715.

It is an arithmetic number, because the mean of its divisors is an integer number (30066807).

Almost surely, 2^145484525 is an apocalyptic number.

It is an amenable number.

145484525 is a deficient number, since it is larger than the sum of its proper divisors (34916317).

145484525 is an equidigital number, since it uses as much as digits as its factorization.

145484525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819391 (or 5819386 counting only the distinct ones).

The product of its digits is 128000, while the sum is 38.

The square root of 145484525 is about 12061.6966053702. The cubic root of 145484525 is about 525.9433078504.

The spelling of 145484525 in words is "one hundred forty-five million, four hundred eighty-four thousand, five hundred twenty-five".