146487818 has 8 divisors (see below), whose sum is σ = 221187360. Its totient is φ = 72758700.

The previous prime is 146487811. The next prime is 146487823. The reversal of 146487818 is 818784641.

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

It is a super-2 number, since 2×146487818² = 42917361644802248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146487811) by changing a digit.

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, 242228 + ... + 242831.

It is an arithmetic number, because the mean of its divisors is an integer number (27648420).

Almost surely, 2^146487818 is an apocalyptic number.

146487818 is a deficient number, since it is larger than the sum of its proper divisors (74699542).

146487818 is a wasteful number, since it uses less digits than its factorization.

146487818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485212.

The product of its digits is 344064, while the sum is 47.

The square root of 146487818 is about 12103.2151926668. The cubic root of 146487818 is about 527.1495458273.

The spelling of 146487818 in words is "one hundred forty-six million, four hundred eighty-seven thousand, eight hundred eighteen".