146546245 has 4 divisors (see below), whose sum is σ = 175855500. Its totient is φ = 117236992.

The previous prime is 146546209. The next prime is 146546261. The reversal of 146546245 is 542645641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542645641 = 53 ⋅10238597.

It can be written as a sum of positive squares in 2 ways, for example, as 23824161 + 122722084 = 4881^2 + 11078^2 .

It is a cyclic number.

It is not a de Polignac number, because 146546245 - 2⁷ = 146546117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14654620 + ... + 14654629.

It is an arithmetic number, because the mean of its divisors is an integer number (43963875).

Almost surely, 2^146546245 is an apocalyptic number.

It is an amenable number.

146546245 is a deficient number, since it is larger than the sum of its proper divisors (29309255).

146546245 is an equidigital number, since it uses as much as digits as its factorization.

146546245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29309254.

The product of its digits is 115200, while the sum is 37.

The square root of 146546245 is about 12105.6286495167. The cubic root of 146546245 is about 527.2196214441.

The spelling of 146546245 in words is "one hundred forty-six million, five hundred forty-six thousand, two hundred forty-five".