106518442 has 8 divisors (see below), whose sum is σ = 159862500. Its totient is φ = 53230944.

The previous prime is 106518407. The next prime is 106518547. The reversal of 106518442 is 244815601.

It can be written as a sum of positive squares in 2 ways, for example, as 82791801 + 23726641 = 9099^2 + 4871^2 .

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

It is a super-2 number, since 2×106518442² = 22692356972214728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9067 + ... + 17182.

Almost surely, 2^106518442 is an apocalyptic number.

106518442 is a deficient number, since it is larger than the sum of its proper divisors (53344058).

106518442 is a wasteful number, since it uses less digits than its factorization.

106518442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28280.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 106518442 is about 10320.7771994167. Note that the first 3 decimals coincide. The cubic root of 106518442 is about 474.0326640477.

The spelling of 106518442 in words is "one hundred six million, five hundred eighteen thousand, four hundred forty-two".