146047225 has 9 divisors (see below), whose sum is σ = 181173517. Its totient is φ = 116789440.

The previous prime is 146047199. The next prime is 146047229. The reversal of 146047225 is 522740641.

The square root of 146047225 is 12085.

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

It can be written as a sum of positive squares in 4 ways, for example, as 31214569 + 114832656 = 5587^2 + 10716^2 .

It is not a de Polignac number, because 146047225 - 2⁹ = 146046713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146047229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 59217 + ... + 61633.

Almost surely, 2^146047225 is an apocalyptic number.

146047225 is the 12085-th square number.

146047225 is the 6043-rd centered octagonal number.

It is an amenable number.

146047225 is a deficient number, since it is larger than the sum of its proper divisors (35126292).

146047225 is an frugal number, since it uses more digits than its factorization.

146047225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844 (or 2422 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The cubic root of 146047225 is about 526.6205106073.

Adding to 146047225 its reverse (522740641), we get a palindrome (668787866).

The spelling of 146047225 in words is "one hundred forty-six million, forty-seven thousand, two hundred twenty-five".