108185545 has 16 divisors (see below), whose sum is σ = 140680512. Its totient is φ = 79392960.

The previous prime is 108185543. The next prime is 108185557. The reversal of 108185545 is 545581801.

It is not a de Polignac number, because 108185545 - 2¹ = 108185543 is a prime.

It is a super-2 number, since 2×108185545² = 23408224293894050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108185543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5490 + ... + 15700.

It is an arithmetic number, because the mean of its divisors is an integer number (8792532).

Almost surely, 2^108185545 is an apocalyptic number.

It is an amenable number.

108185545 is a deficient number, since it is larger than the sum of its proper divisors (32494967).

108185545 is a wasteful number, since it uses less digits than its factorization.

108185545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10392.

The product of its (nonzero) digits is 32000, while the sum is 37.

The square root of 108185545 is about 10401.2280524946. The cubic root of 108185545 is about 476.4928765331.

The spelling of 108185545 in words is "one hundred eight million, one hundred eighty-five thousand, five hundred forty-five".