106402445 has 8 divisors (see below), whose sum is σ = 127778040. Its totient is φ = 85058560.

The previous prime is 106402441. The next prime is 106402453. The reversal of 106402445 is 544204601.

It can be written as a sum of positive squares in 4 ways, for example, as 11710084 + 94692361 = 3422^2 + 9731^2 .

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

It is not a de Polignac number, because 106402445 - 2² = 106402441 is a prime.

It is a super-2 number, since 2×106402445² = 22642960603956050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106402441) 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, 221 + ... + 14589.

It is an arithmetic number, because the mean of its divisors is an integer number (15972255).

Almost surely, 2^106402445 is an apocalyptic number.

It is an amenable number.

106402445 is a deficient number, since it is larger than the sum of its proper divisors (21375595).

106402445 is a wasteful number, since it uses less digits than its factorization.

106402445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15855.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 106402445 is about 10315.1560821928. The cubic root of 106402445 is about 473.8605300405.

The spelling of 106402445 in words is "one hundred six million, four hundred two thousand, four hundred forty-five".