146305225 has 24 divisors (see below), whose sum is σ = 208334880. Its totient is φ = 100800000.

The previous prime is 146305199. The next prime is 146305241. The reversal of 146305225 is 522503641.

It is a de Polignac number, because none of the positive numbers 2^k-146305225 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 146305193 and 146305202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8776 + ... + 19225.

It is an arithmetic number, because the mean of its divisors is an integer number (8680620).

Almost surely, 2^146305225 is an apocalyptic number.

It is an amenable number.

146305225 is a deficient number, since it is larger than the sum of its proper divisors (62029655).

146305225 is a wasteful number, since it uses less digits than its factorization.

146305225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28041 (or 28036 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 146305225 is about 12095.6696796829. The cubic root of 146305225 is about 526.9304290011.

Adding to 146305225 its reverse (522503641), we get a palindrome (668808866).

It can be divided in two parts, 146 and 305225, that added together give a triangular number (305371 = T₇₈₁).

The spelling of 146305225 in words is "one hundred forty-six million, three hundred five thousand, two hundred twenty-five".