105442803 has 24 divisors (see below), whose sum is σ = 158489968. Its totient is φ = 70053984.

The previous prime is 105442781. The next prime is 105442867. The reversal of 105442803 is 308244501.

It is not a de Polignac number, because 105442803 - 2¹⁰ = 105441779 is a prime.

It is a super-2 number, since 2×105442803² = 22236369408993618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105442703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95925 + ... + 97017.

Almost surely, 2^105442803 is an apocalyptic number.

105442803 is a deficient number, since it is larger than the sum of its proper divisors (53047165).

105442803 is an equidigital number, since it uses as much as digits as its factorization.

105442803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 105442803 is about 10268.5346082097. The cubic root of 105442803 is about 472.4316454407.

The spelling of 105442803 in words is "one hundred five million, four hundred forty-two thousand, eight hundred three".