108687145 has 48 divisors (see below), whose sum is σ = 157921920. Its totient is φ = 71559936.

The previous prime is 108687143. The next prime is 108687151. The reversal of 108687145 is 541786801.

It is not a de Polignac number, because 108687145 - 2¹ = 108687143 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 108687098 and 108687107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108687143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1055164 + ... + 1055266.

It is an arithmetic number, because the mean of its divisors is an integer number (3290040).

Almost surely, 2^108687145 is an apocalyptic number.

It is an amenable number.

108687145 is a deficient number, since it is larger than the sum of its proper divisors (49234775).

108687145 is a wasteful number, since it uses less digits than its factorization.

108687145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 108687145 is about 10425.3127051422. The cubic root of 108687145 is about 477.2281577236.

The spelling of 108687145 in words is "one hundred eight million, six hundred eighty-seven thousand, one hundred forty-five".