106449243 has 16 divisors (see below), whose sum is σ = 147159936. Its totient is φ = 68394560.

The previous prime is 106449197. The next prime is 106449323. The reversal of 106449243 is 342944601.

It is not a de Polignac number, because 106449243 - 2⁹ = 106448731 is a prime.

It is a super-2 number, since 2×106449243² = 22662882670546098, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (106449743) 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, 4996 + ... + 15422.

It is an arithmetic number, because the mean of its divisors is an integer number (9197496).

Almost surely, 2^106449243 is an apocalyptic number.

106449243 is a deficient number, since it is larger than the sum of its proper divisors (40710693).

106449243 is a wasteful number, since it uses less digits than its factorization.

106449243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10554.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 106449243 is about 10317.4242425132. The cubic root of 106449243 is about 473.9299910846.

The spelling of 106449243 in words is "one hundred six million, four hundred forty-nine thousand, two hundred forty-three".