106951945 has 4 divisors (see below), whose sum is σ = 128342340. Its totient is φ = 85561552.

The previous prime is 106951939. The next prime is 106951951. The reversal of 106951945 is 549159601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549159601 = 857 ⋅640793.

It is an interprime number because it is at equal distance from previous prime (106951939) and next prime (106951951).

It can be written as a sum of positive squares in 2 ways, for example, as 70627216 + 36324729 = 8404^2 + 6027^2 .

It is a cyclic number.

It is not a de Polignac number, because 106951945 - 2²³ = 98563337 is a prime.

It is a super-2 number, since 2×106951945² = 22877437078566050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 106951898 and 106951907.

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, 10695190 + ... + 10695199.

It is an arithmetic number, because the mean of its divisors is an integer number (32085585).

Almost surely, 2^106951945 is an apocalyptic number.

It is an amenable number.

106951945 is a deficient number, since it is larger than the sum of its proper divisors (21390395).

106951945 is an equidigital number, since it uses as much as digits as its factorization.

106951945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21390394.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 106951945 is about 10341.7573458286. The cubic root of 106951945 is about 474.6748578202.

The spelling of 106951945 in words is "one hundred six million, nine hundred fifty-one thousand, nine hundred forty-five".