164202445 has 12 divisors (see below), whose sum is σ = 216585180. Its totient is φ = 119419520.

The previous prime is 164202421. The next prime is 164202523. The reversal of 164202445 is 544202461.

It can be written as a sum of positive squares in 2 ways, for example, as 94128804 + 70073641 = 9702^2 + 8371^2 .

It is not a de Polignac number, because 164202445 - 2⁵ = 164202413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135100 + ... + 136309.

It is an arithmetic number, because the mean of its divisors is an integer number (18048765).

Almost surely, 2^164202445 is an apocalyptic number.

It is an amenable number.

164202445 is a deficient number, since it is larger than the sum of its proper divisors (52382735).

164202445 is a wasteful number, since it uses less digits than its factorization.

164202445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271436 (or 271425 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 164202445 is about 12814.1501864150. The cubic root of 164202445 is about 547.5955033110.

The spelling of 164202445 in words is "one hundred sixty-four million, two hundred two thousand, four hundred forty-five".