106377445 has 4 divisors (see below), whose sum is σ = 127652940. Its totient is φ = 85101952.

The previous prime is 106377433. The next prime is 106377499. The reversal of 106377445 is 544773601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544773601 = 41 ⋅13287161.

It can be written as a sum of positive squares in 2 ways, for example, as 19775809 + 86601636 = 4447^2 + 9306^2 .

It is a cyclic number.

It is not a de Polignac number, because 106377445 - 2⁷ = 106377317 is a prime.

It is a super-3 number, since 3×106377445³ (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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10637740 + ... + 10637749.

It is an arithmetic number, because the mean of its divisors is an integer number (31913235).

Almost surely, 2^106377445 is an apocalyptic number.

It is an amenable number.

106377445 is a deficient number, since it is larger than the sum of its proper divisors (21275495).

106377445 is an equidigital number, since it uses as much as digits as its factorization.

106377445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21275494.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 106377445 is about 10313.9442019045. The cubic root of 106377445 is about 473.8234148496.

The spelling of 106377445 in words is "one hundred six million, three hundred seventy-seven thousand, four hundred forty-five".