145082025 has 81 divisors (see below), whose sum is σ = 289595397. Its totient is φ = 69379200.

The previous prime is 145082011. The next prime is 145082033. The reversal of 145082025 is 520280541.

It is a happy number.

The square root of 145082025 is 12045.

It is a perfect power (a square), and thus also a powerful number.

145082025 is a `hidden beast` number, since 1 + 450 + 8 + 202 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 793881 + 144288144 = 891^2 + 12012^2 .

It is not a de Polignac number, because 145082025 - 2¹³ = 145073833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145082025.

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 80 ways as a sum of consecutive naturals, for example, 1987389 + ... + 1987461.

Almost surely, 2^145082025 is an apocalyptic number.

145082025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145082025 is the 12045-th square number.

145082025 is the 6023-rd centered octagonal number.

It is an amenable number.

145082025 is a deficient number, since it is larger than the sum of its proper divisors (144513372).

145082025 is a wasteful number, since it uses less digits than its factorization.

145082025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The cubic root of 145082025 is about 525.4578319192.

The spelling of 145082025 in words is "one hundred forty-five million, eighty-two thousand, twenty-five".