105245740 has 48 divisors (see below), whose sum is σ = 226173024. Its totient is φ = 41126400.

The previous prime is 105245717. The next prime is 105245741. The reversal of 105245740 is 47542501.

It is a super-2 number, since 2×105245740² = 22153331576295200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105245699 and 105245708.

It is not an unprimeable number, because it can be changed into a prime (105245741) 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 15 ways as a sum of consecutive naturals, for example, 342667 + ... + 342973.

It is an arithmetic number, because the mean of its divisors is an integer number (4711938).

Almost surely, 2^105245740 is an apocalyptic number.

105245740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105245740 is an abundant number, since it is smaller than the sum of its proper divisors (120927284).

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

105245740 is a wasteful number, since it uses less digits than its factorization.

105245740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 105245740 is about 10258.9346425445. The cubic root of 105245740 is about 472.1371513241.

The spelling of 105245740 in words is "one hundred five million, two hundred forty-five thousand, seven hundred forty".