144513325 has 48 divisors (see below), whose sum is σ = 203683392. Its totient is φ = 101640000.

The previous prime is 144513307. The next prime is 144513359. The reversal of 144513325 is 523315441.

It is not a de Polignac number, because 144513325 - 2²¹ = 142416173 is a prime.

It is a super-2 number, since 2×144513325² = 41768202205111250, which contains 22 as substring.

Its product of digits (7200) is a multiple of the sum of its prime divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 144513293 and 144513302.

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 47 ways as a sum of consecutive naturals, for example, 1430775 + ... + 1430875.

It is an arithmetic number, because the mean of its divisors is an integer number (4243404).

Almost surely, 2^144513325 is an apocalyptic number.

It is an amenable number.

144513325 is a deficient number, since it is larger than the sum of its proper divisors (59170067).

144513325 is a wasteful number, since it uses less digits than its factorization.

144513325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 160 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 144513325 is about 12021.3695143274. The cubic root of 144513325 is about 524.7703606418.

Adding to 144513325 its reverse (523315441), we get a palindrome (667828766).

The spelling of 144513325 in words is "one hundred forty-four million, five hundred thirteen thousand, three hundred twenty-five".