106642146 has 32 divisors (see below), whose sum is σ = 233593920. Its totient is φ = 32255424.

The previous prime is 106642141. The next prime is 106642147. The reversal of 106642146 is 641246601.

It is a super-2 number, since 2×106642146² = 22745094606970632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106642141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6985 + ... + 16188.

It is an arithmetic number, because the mean of its divisors is an integer number (7299810).

Almost surely, 2^106642146 is an apocalyptic number.

106642146 is an abundant number, since it is smaller than the sum of its proper divisors (126951774).

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

106642146 is a wasteful number, since it uses less digits than its factorization.

106642146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23250.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 106642146 is about 10326.7684199850. The cubic root of 106642146 is about 474.2160972324.

Adding to 106642146 its reverse (641246601), we get a palindrome (747888747).

The spelling of 106642146 in words is "one hundred six million, six hundred forty-two thousand, one hundred forty-six".