105142902 has 8 divisors (see below), whose sum is σ = 210285816. Its totient is φ = 35047632.

The previous prime is 105142889. The next prime is 105142907. The reversal of 105142902 is 209241501.

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

105142902 is an admirable number.

It is a super-2 number, since 2×105142902² = 22110059681963208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105142907) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8761903 + ... + 8761914.

It is an arithmetic number, because the mean of its divisors is an integer number (26285727).

Almost surely, 2^105142902 is an apocalyptic number.

105142902 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.

105142902 is a wasteful number, since it uses less digits than its factorization.

105142902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17523822.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 105142902 is about 10253.9212987032. The cubic root of 105142902 is about 471.9833225698.

The spelling of 105142902 in words is "one hundred five million, one hundred forty-two thousand, nine hundred two".