145232325 has 72 divisors (see below), whose sum is σ = 310426560. Its totient is φ = 66376800.

The previous prime is 145232317. The next prime is 145232357. The reversal of 145232325 is 523232541.

It is a happy number.

It is not a de Polignac number, because 145232325 - 2³ = 145232317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30880 + ... + 35270.

It is an arithmetic number, because the mean of its divisors is an integer number (4311480).

Almost surely, 2^145232325 is an apocalyptic number.

145232325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145232325 is an abundant number, since it is smaller than the sum of its proper divisors (165194235).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145232325 is a wasteful number, since it uses less digits than its factorization.

145232325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424 (or 4406 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 145232325 is about 12051.2374883246. The cubic root of 145232325 is about 525.6392213908.

Adding to 145232325 its reverse (523232541), we get a palindrome (668464866).

The spelling of 145232325 in words is "one hundred forty-five million, two hundred thirty-two thousand, three hundred twenty-five".