106442453 has 8 divisors (see below), whose sum is σ = 115311000. Its totient is φ = 98252544.

The previous prime is 106442443. The next prime is 106442473. The reversal of 106442453 is 354244601.

It can be written as a sum of positive squares in 4 ways, for example, as 5299204 + 101143249 = 2302^2 + 10057^2 .

It is not a de Polignac number, because 106442453 - 2⁸ = 106442197 is a prime.

It is a super-2 number, since 2×106442453² = 22659991601314418, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106442443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22028 + ... + 26421.

It is an arithmetic number, because the mean of its divisors is an integer number (14413875).

Almost surely, 2^106442453 is an apocalyptic number.

106442453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

106442453 is a deficient number, since it is larger than the sum of its proper divisors (8868547).

106442453 is an frugal number, since it uses more digits than its factorization.

106442453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48488 (or 48462 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 106442453 is about 10317.0951822691. The cubic root of 106442453 is about 473.9199141284.

The spelling of 106442453 in words is "one hundred six million, four hundred forty-two thousand, four hundred fifty-three".