145031325 has 24 divisors (see below), whose sum is σ = 240172128. Its totient is φ = 77225280.

The previous prime is 145031323. The next prime is 145031339. The reversal of 145031325 is 523130541.

It is not a de Polignac number, because 145031325 - 2¹ = 145031323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145031295 and 145031304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145031323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62842 + ... + 65108.

It is an arithmetic number, because the mean of its divisors is an integer number (10007172).

Almost surely, 2^145031325 is an apocalyptic number.

145031325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145031325 is a deficient number, since it is larger than the sum of its proper divisors (95140803).

145031325 is a wasteful number, since it uses less digits than its factorization.

145031325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133 (or 3128 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 145031325 is about 12042.8952083791. The cubic root of 145031325 is about 525.3966163966.

Adding to 145031325 its reverse (523130541), we get a palindrome (668161866).

The spelling of 145031325 in words is "one hundred forty-five million, thirty-one thousand, three hundred twenty-five".