421100146 has 16 divisors (see below), whose sum is σ = 659905344. Its totient is φ = 201153744.

The previous prime is 421100117. The next prime is 421100171. The reversal of 421100146 is 641001124.

It is a super-2 number, since 2×421100146² = 354650665922442632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36676 + ... + 46768.

It is an arithmetic number, because the mean of its divisors is an integer number (41244084).

Almost surely, 2^421100146 is an apocalyptic number.

421100146 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

421100146 is a deficient number, since it is larger than the sum of its proper divisors (238805198).

421100146 is a wasteful number, since it uses less digits than its factorization.

421100146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11025.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 421100146 is about 20520.7247922679. The cubic root of 421100146 is about 749.5405458526.

The spelling of 421100146 in words is "four hundred twenty-one million, one hundred thousand, one hundred forty-six".