105315442 has 16 divisors (see below), whose sum is σ = 176070240. Its totient is φ = 46951488.

The previous prime is 105315439. The next prime is 105315451. The reversal of 105315442 is 244513501.

It is a happy number.

It is a super-2 number, since 2×105315442² = 22182684647310728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80868 + ... + 82159.

It is an arithmetic number, because the mean of its divisors is an integer number (11004390).

Almost surely, 2^105315442 is an apocalyptic number.

105315442 is a deficient number, since it is larger than the sum of its proper divisors (70754798).

105315442 is a wasteful number, since it uses less digits than its factorization.

105315442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163065.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 105315442 is about 10262.3312166388. The cubic root of 105315442 is about 472.2413570983.

Adding to 105315442 its reverse (244513501), we get a palindrome (349828943).

The spelling of 105315442 in words is "one hundred five million, three hundred fifteen thousand, four hundred forty-two".