106430645 has 4 divisors (see below), whose sum is σ = 127716780. Its totient is φ = 85144512.

The previous prime is 106430641. The next prime is 106430671. The reversal of 106430645 is 546034601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46321636 + 60109009 = 6806^2 + 7753^2 .

It is a cyclic number.

It is not a de Polignac number, because 106430645 - 2² = 106430641 is a prime.

It is a super-2 number, since 2×106430645² = 22654964390232050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106430641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10643060 + ... + 10643069.

It is an arithmetic number, because the mean of its divisors is an integer number (31929195).

Almost surely, 2^106430645 is an apocalyptic number.

It is an amenable number.

106430645 is a deficient number, since it is larger than the sum of its proper divisors (21286135).

106430645 is an equidigital number, since it uses as much as digits as its factorization.

106430645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21286134.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 106430645 is about 10316.5229122995. The cubic root of 106430645 is about 473.9023889990.

The spelling of 106430645 in words is "one hundred six million, four hundred thirty thousand, six hundred forty-five".