105440342 has 8 divisors (see below), whose sum is σ = 180754896. Its totient is φ = 45188712.

The previous prime is 105440311. The next prime is 105440371. The reversal of 105440342 is 243044501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105440342² = 22235331442153928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3765713 + ... + 3765740.

It is an arithmetic number, because the mean of its divisors is an integer number (22594362).

Almost surely, 2^105440342 is an apocalyptic number.

105440342 is a deficient number, since it is larger than the sum of its proper divisors (75314554).

105440342 is an equidigital number, since it uses as much as digits as its factorization.

105440342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531462.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 105440342 is about 10268.4147754169. The cubic root of 105440342 is about 472.4279699462.

Adding to 105440342 its reverse (243044501), we get a palindrome (348484843).

The spelling of 105440342 in words is "one hundred five million, four hundred forty thousand, three hundred forty-two".