146209825 has 12 divisors (see below), whose sum is σ = 182627820. Its totient is φ = 116111360.

The previous prime is 146209801. The next prime is 146209837. The reversal of 146209825 is 528902641.

146209825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4028049 + 142181776 = 2007^2 + 11924^2 .

It is not a de Polignac number, because 146209825 - 2⁷ = 146209697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17920 + ... + 24769.

It is an arithmetic number, because the mean of its divisors is an integer number (15218985).

Almost surely, 2^146209825 is an apocalyptic number.

It is an amenable number.

146209825 is a deficient number, since it is larger than the sum of its proper divisors (36417995).

146209825 is a wasteful number, since it uses less digits than its factorization.

146209825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42836 (or 42831 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 146209825 is about 12091.7254765397. The cubic root of 146209825 is about 526.8158737551.

The spelling of 146209825 in words is "one hundred forty-six million, two hundred nine thousand, eight hundred twenty-five".