105445533 has 4 divisors (see below), whose sum is σ = 140594048. Its totient is φ = 70297020.

The previous prime is 105445519. The next prime is 105445553. The reversal of 105445533 is 335544501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 335544501 = 3 ⋅111848167.

It is not a de Polignac number, because 105445533 - 2²² = 101251229 is a prime.

It is a super-2 number, since 2×105445533² = 22237520859308178, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105445533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105445553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17574253 + ... + 17574258.

It is an arithmetic number, because the mean of its divisors is an integer number (35148512).

Almost surely, 2^105445533 is an apocalyptic number.

It is an amenable number.

105445533 is a deficient number, since it is larger than the sum of its proper divisors (35148515).

105445533 is an equidigital number, since it uses as much as digits as its factorization.

105445533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35148514.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 105445533 is about 10268.6675377091. The cubic root of 105445533 is about 472.4357226188.

The spelling of 105445533 in words is "one hundred five million, four hundred forty-five thousand, five hundred thirty-three".