106645434 has 64 divisors (see below), whose sum is σ = 259282944. Its totient is φ = 28581696.

The previous prime is 106645421. The next prime is 106645439. The reversal of 106645434 is 434546601.

It is a super-2 number, since 2×106645434² = 22746497186096712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106645395 and 106645404.

It is not an unprimeable number, because it can be changed into a prime (106645439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50157 + ... + 52239.

It is an arithmetic number, because the mean of its divisors is an integer number (4051296).

Almost surely, 2^106645434 is an apocalyptic number.

106645434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 106645434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129641472).

106645434 is an abundant number, since it is smaller than the sum of its proper divisors (152637510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106645434 is a wasteful number, since it uses less digits than its factorization.

106645434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 106645434 is about 10326.9276166728. The cubic root of 106645434 is about 474.2209708730.

The spelling of 106645434 in words is "one hundred six million, six hundred forty-five thousand, four hundred thirty-four".