105642402 has 8 divisors (see below), whose sum is σ = 211284816. Its totient is φ = 35214132.

The previous prime is 105642401. The next prime is 105642421. The reversal of 105642402 is 204246501.

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

105642402 is an admirable number.

It is a super-2 number, since 2×105642402² = 22320634200659208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105642401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8803528 + ... + 8803539.

It is an arithmetic number, because the mean of its divisors is an integer number (26410602).

Almost surely, 2^105642402 is an apocalyptic number.

105642402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105642402 is a wasteful number, since it uses less digits than its factorization.

105642402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17607072.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 105642402 is about 10278.2489753849. The cubic root of 105642402 is about 472.7295555991.

Adding to 105642402 its reverse (204246501), we get a palindrome (309888903).

The spelling of 105642402 in words is "one hundred five million, six hundred forty-two thousand, four hundred two".