146820148 has 6 divisors (see below), whose sum is σ = 256935266. Its totient is φ = 73410072.

The previous prime is 146820137. The next prime is 146820197. The reversal of 146820148 is 841028641.

It can be written as a sum of positive squares in only one way, i.e., 88021924 + 58798224 = 9382^2 + 7668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18352515 + ... + 18352522.

Almost surely, 2^146820148 is an apocalyptic number.

It is an amenable number.

146820148 is a deficient number, since it is larger than the sum of its proper divisors (110115118).

146820148 is a wasteful number, since it uses less digits than its factorization.

146820148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36705041 (or 36705039 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 146820148 is about 12116.9364114862. The cubic root of 146820148 is about 527.5478845145.

Adding to 146820148 its reverse (841028641), we get a palindrome (987848789).

The spelling of 146820148 in words is "one hundred forty-six million, eight hundred twenty thousand, one hundred forty-eight".