145523325 has 24 divisors (see below), whose sum is σ = 242993376. Its totient is φ = 76840000.

The previous prime is 145523311. The next prime is 145523359. The reversal of 145523325 is 523325541.

It is not a de Polignac number, because 145523325 - 2⁷ = 145523197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145523292 and 145523301.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 2031 + ... + 17180.

It is an arithmetic number, because the mean of its divisors is an integer number (10124724).

Almost surely, 2^145523325 is an apocalyptic number.

145523325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145523325 is a deficient number, since it is larger than the sum of its proper divisors (97470051).

145523325 is a wasteful number, since it uses less digits than its factorization.

145523325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19325 (or 19320 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 145523325 is about 12063.3048954256. The cubic root of 145523325 is about 525.9900591836.

Adding to 145523325 its reverse (523325541), we get a palindrome (668848866).

The spelling of 145523325 in words is "one hundred forty-five million, five hundred twenty-three thousand, three hundred twenty-five".