105256842 has 32 divisors (see below), whose sum is σ = 220890624. Its totient is φ = 33393600.

The previous prime is 105256817. The next prime is 105256859. The reversal of 105256842 is 248652501.

It is a super-2 number, since 2×105256842² = 22158005575625928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6708 + ... + 15984.

It is an arithmetic number, because the mean of its divisors is an integer number (6902832).

Almost surely, 2^105256842 is an apocalyptic number.

105256842 is an abundant number, since it is smaller than the sum of its proper divisors (115633782).

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

105256842 is a wasteful number, since it uses less digits than its factorization.

105256842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9374.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 105256842 is about 10259.4757175988. The cubic root of 105256842 is about 472.1537520985.

The spelling of 105256842 in words is "one hundred five million, two hundred fifty-six thousand, eight hundred forty-two".