146132225 has 24 divisors (see below), whose sum is σ = 191535360. Its totient is φ = 110373120.

The previous prime is 146132219. The next prime is 146132227. The reversal of 146132225 is 522231641.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-146132225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146132194 and 146132203.

It is not an unprimeable number, because it can be changed into a prime (146132227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43817 + ... + 47033.

It is an arithmetic number, because the mean of its divisors is an integer number (7980640).

Almost surely, 2^146132225 is an apocalyptic number.

It is an amenable number.

146132225 is a deficient number, since it is larger than the sum of its proper divisors (45403135).

146132225 is a wasteful number, since it uses less digits than its factorization.

146132225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329 (or 3324 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 146132225 is about 12088.5162447672. The cubic root of 146132225 is about 526.7226557917.

Adding to 146132225 its reverse (522231641), we get a palindrome (668363866).

The spelling of 146132225 in words is "one hundred forty-six million, one hundred thirty-two thousand, two hundred twenty-five".