106445251 has 4 divisors (see below), whose sum is σ = 116122104. Its totient is φ = 96768400.

The previous prime is 106445237. The next prime is 106445257. The reversal of 106445251 is 152544601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106445251 - 2⁷ = 106445123 is a prime.

It is a super-2 number, since 2×106445251² = 22661182920906002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106445257) 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, 4838410 + ... + 4838431.

It is an arithmetic number, because the mean of its divisors is an integer number (29030526).

Almost surely, 2^106445251 is an apocalyptic number.

106445251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

106445251 is a deficient number, since it is larger than the sum of its proper divisors (9676853).

106445251 is an equidigital number, since it uses as much as digits as its factorization.

106445251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9676852.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 106445251 is about 10317.2307815615. The cubic root of 106445251 is about 473.9240666580.

Adding to 106445251 its reverse (152544601), we get a palindrome (258989852).

The spelling of 106445251 in words is "one hundred six million, four hundred forty-five thousand, two hundred fifty-one".