106605145 has 8 divisors (see below), whose sum is σ = 128458440. Its totient is φ = 84929280.

The previous prime is 106605137. The next prime is 106605173. The reversal of 106605145 is 541506601.

106605145 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 4 ways, for example, as 46185616 + 60419529 = 6796^2 + 7773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106605145 - 2³ = 106605137 is a prime.

It is a super-2 number, since 2×106605145² = 22729313880942050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43030 + ... + 45439.

It is an arithmetic number, because the mean of its divisors is an integer number (16057305).

Almost surely, 2^106605145 is an apocalyptic number.

It is an amenable number.

106605145 is a deficient number, since it is larger than the sum of its proper divisors (21853295).

106605145 is an equidigital number, since it uses as much as digits as its factorization.

106605145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88715.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 106605145 is about 10324.9767554218. The cubic root of 106605145 is about 474.1612455619.

The spelling of 106605145 in words is "one hundred six million, six hundred five thousand, one hundred forty-five".