146551268 has 12 divisors (see below), whose sum is σ = 265308540. Its totient is φ = 70748832.

The previous prime is 146551253. The next prime is 146551309. The reversal of 146551268 is 862155641.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119946304 + 26604964 = 10952^2 + 5158^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 631571 + ... + 631802.

It is an arithmetic number, because the mean of its divisors is an integer number (22109045).

Almost surely, 2^146551268 is an apocalyptic number.

It is an amenable number.

146551268 is a deficient number, since it is larger than the sum of its proper divisors (118757272).

146551268 is a wasteful number, since it uses less digits than its factorization.

146551268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263406 (or 1263404 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 146551268 is about 12105.8361132142. The cubic root of 146551268 is about 527.2256450123.

The spelling of 146551268 in words is "one hundred forty-six million, five hundred fifty-one thousand, two hundred sixty-eight".