106540145 has 4 divisors (see below), whose sum is σ = 127848180. Its totient is φ = 85232112.

The previous prime is 106540141. The next prime is 106540151. The reversal of 106540145 is 541045601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58874929 + 47665216 = 7673^2 + 6904^2 .

It is a cyclic number.

It is not a de Polignac number, because 106540145 - 2² = 106540141 is a prime.

It is a super-2 number, since 2×106540145² = 22701604993242050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106540141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10654010 + ... + 10654019.

It is an arithmetic number, because the mean of its divisors is an integer number (31962045).

Almost surely, 2^106540145 is an apocalyptic number.

It is an amenable number.

106540145 is a deficient number, since it is larger than the sum of its proper divisors (21308035).

106540145 is an equidigital number, since it uses as much as digits as its factorization.

106540145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21308034.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 106540145 is about 10321.8285686210. The cubic root of 106540145 is about 474.0648563833.

Adding to 106540145 its reverse (541045601), we get a palindrome (647585746).

The spelling of 106540145 in words is "one hundred six million, five hundred forty thousand, one hundred forty-five".