146857810 has 32 divisors (see below), whose sum is σ = 296177472. Its totient is φ = 51958080.

The previous prime is 146857807. The next prime is 146857811. The reversal of 146857810 is 18758641.

It is a super-2 number, since 2×146857810² = 43134432715992200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146857811) 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 15 ways as a sum of consecutive naturals, for example, 13972 + ... + 22111.

It is an arithmetic number, because the mean of its divisors is an integer number (9255546).

Almost surely, 2^146857810 is an apocalyptic number.

146857810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146857810 is an abundant number, since it is smaller than the sum of its proper divisors (149319662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146857810 is a wasteful number, since it uses less digits than its factorization.

146857810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36138.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 146857810 is about 12118.4904175396. The cubic root of 146857810 is about 527.5929891546.

The spelling of 146857810 in words is "one hundred forty-six million, eight hundred fifty-seven thousand, eight hundred ten".