146741225 has 12 divisors (see below), whose sum is σ = 182970060. Its totient is φ = 116740800.

The previous prime is 146741209. The next prime is 146741227. The reversal of 146741225 is 522147641.

It can be written as a sum of positive squares in 6 ways, for example, as 19254544 + 127486681 = 4388^2 + 11291^2 .

It is not a de Polignac number, because 146741225 - 2⁴ = 146741209 is a prime.

It is a super-2 number, since 2×146741225² = 43065974229001250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 146741191 and 146741200.

It is not an unprimeable number, because it can be changed into a prime (146741227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11690 + ... + 20739.

It is an arithmetic number, because the mean of its divisors is an integer number (15247505).

Almost surely, 2^146741225 is an apocalyptic number.

It is an amenable number.

146741225 is a deficient number, since it is larger than the sum of its proper divisors (36228835).

146741225 is a wasteful number, since it uses less digits than its factorization.

146741225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32620 (or 32615 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 146741225 is about 12113.6792511606. The cubic root of 146741225 is about 527.4533399876.

Adding to 146741225 its reverse (522147641), we get a palindrome (668888866).

The spelling of 146741225 in words is "one hundred forty-six million, seven hundred forty-one thousand, two hundred twenty-five".