106558945 has 16 divisors (see below), whose sum is σ = 132073920. Its totient is φ = 82482624.

The previous prime is 106558943. The next prime is 106558951. The reversal of 106558945 is 549855601.

It is a cyclic number.

It is not a de Polignac number, because 106558945 - 2¹ = 106558943 is a prime.

It is a super-2 number, since 2×106558945² = 22709617519026050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (106558943) 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, 21162 + ... + 25708.

It is an arithmetic number, because the mean of its divisors is an integer number (8254620).

Almost surely, 2^106558945 is an apocalyptic number.

It is an amenable number.

106558945 is a deficient number, since it is larger than the sum of its proper divisors (25514975).

106558945 is a wasteful number, since it uses less digits than its factorization.

106558945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 106558945 is about 10322.7392198001. The cubic root of 106558945 is about 474.0927391284.

It can be divided in two parts, 10655 and 8945, that added together give a square (19600 = 140²).

The spelling of 106558945 in words is "one hundred six million, five hundred fifty-eight thousand, nine hundred forty-five".