145324325 has 12 divisors (see below), whose sum is σ = 181249188. Its totient is φ = 115584000.

The previous prime is 145324321. The next prime is 145324337. The reversal of 145324325 is 523423541.

145324325 = 2399² + 2400² + ... + 2423².

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 9042049 + 136282276 = 3007^2 + 11674^2 .

It is not a de Polignac number, because 145324325 - 2² = 145324321 is a prime.

It is a super-2 number, since 2×145324325² = 42238318873411250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145324321) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12476 + ... + 21125.

It is an arithmetic number, because the mean of its divisors is an integer number (15104099).

Almost surely, 2^145324325 is an apocalyptic number.

It is an amenable number.

145324325 is a deficient number, since it is larger than the sum of its proper divisors (35924863).

145324325 is a wasteful number, since it uses less digits than its factorization.

145324325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33784 (or 33779 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 145324325 is about 12055.0539194149. The cubic root of 145324325 is about 525.7501898012.

Adding to 145324325 its reverse (523423541), we get a palindrome (668747866).

The spelling of 145324325 in words is "one hundred forty-five million, three hundred twenty-four thousand, three hundred twenty-five".