145573925 has 12 divisors (see below), whose sum is σ = 206299296. Its totient is φ = 99822000.

The previous prime is 145573913. The next prime is 145573931. The reversal of 145573925 is 529375541.

It is not a de Polignac number, because 145573925 - 2¹⁴ = 145557541 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415751 + ... + 416100.

It is an arithmetic number, because the mean of its divisors is an integer number (17191608).

Almost surely, 2^145573925 is an apocalyptic number.

It is an amenable number.

145573925 is a deficient number, since it is larger than the sum of its proper divisors (60725371).

145573925 is an equidigital number, since it uses as much as digits as its factorization.

145573925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831868 (or 831863 counting only the distinct ones).

The product of its digits is 189000, while the sum is 41.

The square root of 145573925 is about 12065.4019825284. The cubic root of 145573925 is about 526.0510162222.

The spelling of 145573925 in words is "one hundred forty-five million, five hundred seventy-three thousand, nine hundred twenty-five".