146225025 has 36 divisors (see below), whose sum is σ = 262725372. Its totient is φ = 77742720.

The previous prime is 146225003. The next prime is 146225029. The reversal of 146225025 is 520522641.

146225025 is a `hidden beast` number, since 14 + 622 + 5 + 0 + 25 = 666.

146225025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 18173169 + 128051856 = 4263^2 + 11316^2 .

It is not a de Polignac number, because 146225025 - 2¹⁴ = 146208641 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 146225025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146225029) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 88507 + ... + 90143.

It is an arithmetic number, because the mean of its divisors is an integer number (7297927).

Almost surely, 2^146225025 is an apocalyptic number.

146225025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146225025 is a deficient number, since it is larger than the sum of its proper divisors (116500347).

146225025 is a wasteful number, since it uses less digits than its factorization.

146225025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 146225025 is about 12092.3539891950. The cubic root of 146225025 is about 526.8341290806.

Adding to 146225025 its reverse (520522641), we get a palindrome (666747666).

The spelling of 146225025 in words is "one hundred forty-six million, two hundred twenty-five thousand, twenty-five".