162106445 has 4 divisors (see below), whose sum is σ = 194527740. Its totient is φ = 129685152.

The previous prime is 162106429. The next prime is 162106531. The reversal of 162106445 is 544601261.

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 29833444 + 132273001 = 5462^2 + 11501^2 .

It is a cyclic number.

It is not a de Polignac number, because 162106445 - 2⁴ = 162106429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16210640 + ... + 16210649.

It is an arithmetic number, because the mean of its divisors is an integer number (48631935).

Almost surely, 2^162106445 is an apocalyptic number.

It is an amenable number.

162106445 is a deficient number, since it is larger than the sum of its proper divisors (32421295).

162106445 is an equidigital number, since it uses as much as digits as its factorization.

162106445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32421294.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 162106445 is about 12732.1029292101. The cubic root of 162106445 is about 545.2555488699.

The spelling of 162106445 in words is "one hundred sixty-two million, one hundred six thousand, four hundred forty-five".