106904045 has 4 divisors (see below), whose sum is σ = 128284860. Its totient is φ = 85523232.

The previous prime is 106904029. The next prime is 106904059. The reversal of 106904045 is 540409601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540409601 = 97 ⋅5571233.

It can be written as a sum of positive squares in 2 ways, for example, as 68128516 + 38775529 = 8254^2 + 6227^2 .

It is a cyclic number.

It is not a de Polignac number, because 106904045 - 2⁴ = 106904029 is a prime.

It is a super-2 number, since 2×106904045² = 22856949674724050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106903999 and 106904017.

It is a congruent number.

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, 10690400 + ... + 10690409.

It is an arithmetic number, because the mean of its divisors is an integer number (32071215).

Almost surely, 2^106904045 is an apocalyptic number.

It is an amenable number.

106904045 is a deficient number, since it is larger than the sum of its proper divisors (21380815).

106904045 is an equidigital number, since it uses as much as digits as its factorization.

106904045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21380814.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 106904045 is about 10339.4412324845. The cubic root of 106904045 is about 474.6039838687.

The spelling of 106904045 in words is "one hundred six million, nine hundred four thousand, forty-five".