105453242 has 12 divisors (see below), whose sum is σ = 161623770. Its totient is φ = 51602616.

The previous prime is 105453233. The next prime is 105453347. The reversal of 105453242 is 242354501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 77246521 + 28206721 = 8789^2 + 5311^2 .

It is a super-2 number, since 2×105453242² = 22240772496621128, which contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 7517 + ... + 16352.

Almost surely, 2^105453242 is an apocalyptic number.

105453242 is a deficient number, since it is larger than the sum of its proper divisors (56170528).

105453242 is an equidigital number, since it uses as much as digits as its factorization.

105453242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23965 (or 23918 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 105453242 is about 10269.0428960055. The cubic root of 105453242 is about 472.4472354132.

The spelling of 105453242 in words is "one hundred five million, four hundred fifty-three thousand, two hundred forty-two".