146865155 has 8 divisors (see below), whose sum is σ = 185514000. Its totient is φ = 111308256.

The previous prime is 146865151. The next prime is 146865161. The reversal of 146865155 is 551568641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146865155 - 2² = 146865151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146865151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772880 + ... + 773069.

It is an arithmetic number, because the mean of its divisors is an integer number (23189250).

Almost surely, 2^146865155 is an apocalyptic number.

146865155 is a deficient number, since it is larger than the sum of its proper divisors (38648845).

146865155 is a wasteful number, since it uses less digits than its factorization.

146865155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545973.

The product of its digits is 144000, while the sum is 41.

The square root of 146865155 is about 12118.7934630474. The cubic root of 146865155 is about 527.6017847506.

The spelling of 146865155 in words is "one hundred forty-six million, eight hundred sixty-five thousand, one hundred fifty-five".