103287645 has 12 divisors (see below), whose sum is σ = 179031996. Its totient is φ = 55086720.

The previous prime is 103287601. The next prime is 103287649. The reversal of 103287645 is 546782301.

103287645 is a `hidden beast` number, since 1 + 0 + 3 + 2 + 8 + 7 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 63824121 + 39463524 = 7989^2 + 6282^2 .

It is not a de Polignac number, because 103287645 - 2⁶ = 103287581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103287649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1147596 + ... + 1147685.

It is an arithmetic number, because the mean of its divisors is an integer number (14919333).

Almost surely, 2^103287645 is an apocalyptic number.

103287645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103287645 is a deficient number, since it is larger than the sum of its proper divisors (75744351).

103287645 is a wasteful number, since it uses less digits than its factorization.

103287645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295292 (or 2295289 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 103287645 is about 10163.0529369870. The cubic root of 103287645 is about 469.1907683464.

The spelling of 103287645 in words is "one hundred three million, two hundred eighty-seven thousand, six hundred forty-five".