105572342 has 4 divisors (see below), whose sum is σ = 158358516. Its totient is φ = 52786170.

The previous prime is 105572333. The next prime is 105572377. The reversal of 105572342 is 243275501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×105572342² = 22291038790729928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26393084 + ... + 26393087.

It is an arithmetic number, because the mean of its divisors is an integer number (39589629).

Almost surely, 2^105572342 is an apocalyptic number.

105572342 is a deficient number, since it is larger than the sum of its proper divisors (52786174).

105572342 is an equidigital number, since it uses as much as digits as its factorization.

105572342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52786173.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 105572342 is about 10274.8402420670. The cubic root of 105572342 is about 472.6250307867.

The spelling of 105572342 in words is "one hundred five million, five hundred seventy-two thousand, three hundred forty-two".