146356225 has 12 divisors (see below), whose sum is σ = 182409084. Its totient is φ = 116486720.

The previous prime is 146356211. The next prime is 146356229. The reversal of 146356225 is 522653641.

It can be written as a sum of positive squares in 6 ways, for example, as 19501056 + 126855169 = 4416^2 + 11263^2 .

It is not a de Polignac number, because 146356225 - 2¹¹ = 146354177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146356229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9934 + ... + 19783.

It is an arithmetic number, because the mean of its divisors is an integer number (15200757).

Almost surely, 2^146356225 is an apocalyptic number.

It is an amenable number.

146356225 is a deficient number, since it is larger than the sum of its proper divisors (36052859).

146356225 is a wasteful number, since it uses less digits than its factorization.

146356225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29924 (or 29919 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 146356225 is about 12097.7776884848. Note that the first 3 decimals coincide. The cubic root of 146356225 is about 526.9916488012.

The spelling of 146356225 in words is "one hundred forty-six million, three hundred fifty-six thousand, two hundred twenty-five".