106158249 has 8 divisors (see below), whose sum is σ = 157271520. Its totient is φ = 70772148.

The previous prime is 106158223. The next prime is 106158253. The reversal of 106158249 is 942851601.

106158249 is a `hidden beast` number, since 10 + 61 + 582 + 4 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-106158249 is a prime.

It is a super-2 number, since 2×106158249² = 22539147661492002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106158209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1965867 + ... + 1965920.

It is an arithmetic number, because the mean of its divisors is an integer number (19658940).

Almost surely, 2^106158249 is an apocalyptic number.

It is an amenable number.

106158249 is a deficient number, since it is larger than the sum of its proper divisors (51113271).

106158249 is an equidigital number, since it uses as much as digits as its factorization.

106158249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931796 (or 3931790 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 106158249 is about 10303.3125255910. The cubic root of 106158249 is about 473.4977455144.

The spelling of 106158249 in words is "one hundred six million, one hundred fifty-eight thousand, two hundred forty-nine".