106281645 has 8 divisors (see below), whose sum is σ = 170050656. Its totient is φ = 56683536.

The previous prime is 106281641. The next prime is 106281647. The reversal of 106281645 is 546182601.

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

It is not a de Polignac number, because 106281645 - 2² = 106281641 is a prime.

It is a super-3 number, since 3×106281645³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106281641) 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, 3542707 + ... + 3542736.

It is an arithmetic number, because the mean of its divisors is an integer number (21256332).

Almost surely, 2^106281645 is an apocalyptic number.

106281645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

106281645 is a deficient number, since it is larger than the sum of its proper divisors (63769011).

106281645 is an equidigital number, since it uses as much as digits as its factorization.

106281645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7085451.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 106281645 is about 10309.2989577371. The cubic root of 106281645 is about 473.6811355778.

The spelling of 106281645 in words is "one hundred six million, two hundred eighty-one thousand, six hundred forty-five".