145108525 has 6 divisors (see below), whose sum is σ = 179934602. Its totient is φ = 116086800.

The previous prime is 145108519. The next prime is 145108559. The reversal of 145108525 is 525801541.

It can be written as a sum of positive squares in 3 ways, for example, as 4235364 + 140873161 = 2058^2 + 11869^2 .

It is not a de Polignac number, because 145108525 - 2³ = 145108517 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 2902146 + ... + 2902195.

Almost surely, 2^145108525 is an apocalyptic number.

It is an amenable number.

145108525 is a deficient number, since it is larger than the sum of its proper divisors (34826077).

145108525 is an equidigital number, since it uses as much as digits as its factorization.

145108525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804351 (or 5804346 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 145108525 is about 12046.0999912835. The cubic root of 145108525 is about 525.4898225232.

The spelling of 145108525 in words is "one hundred forty-five million, one hundred eight thousand, five hundred twenty-five".