145244325 has 48 divisors (see below), whose sum is σ = 254358720. Its totient is φ = 73006080.

The previous prime is 145244299. The next prime is 145244339. The reversal of 145244325 is 523442541.

It is not a de Polignac number, because 145244325 - 2⁵ = 145244293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145244292 and 145244301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92749 + ... + 94301.

It is an arithmetic number, because the mean of its divisors is an integer number (5299140).

Almost surely, 2^145244325 is an apocalyptic number.

145244325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145244325 is a deficient number, since it is larger than the sum of its proper divisors (109114395).

145244325 is a wasteful number, since it uses less digits than its factorization.

145244325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1633 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 145244325 is about 12051.7353522221. The cubic root of 145244325 is about 525.6536981885.

Adding to 145244325 its reverse (523442541), we get a palindrome (668686866).

The spelling of 145244325 in words is "one hundred forty-five million, two hundred forty-four thousand, three hundred twenty-five".