145647325 has 12 divisors (see below), whose sum is σ = 181024128. Its totient is φ = 116246000.

The previous prime is 145647319. The next prime is 145647329. The reversal of 145647325 is 523746541.

It is not a de Polignac number, because 145647325 - 2¹¹ = 145645277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145647329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4500 + ... + 17650.

It is an arithmetic number, because the mean of its divisors is an integer number (15085344).

Almost surely, 2^145647325 is an apocalyptic number.

It is an amenable number.

145647325 is a deficient number, since it is larger than the sum of its proper divisors (35376803).

145647325 is a wasteful number, since it uses less digits than its factorization.

145647325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13604 (or 13599 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 145647325 is about 12068.4433544679. The cubic root of 145647325 is about 526.1394149673.

The spelling of 145647325 in words is "one hundred forty-five million, six hundred forty-seven thousand, three hundred twenty-five".