164455234 has 4 divisors (see below), whose sum is σ = 246682854. Its totient is φ = 82227616.

The previous prime is 164455231. The next prime is 164455261. The reversal of 164455234 is 432554461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 104346225 + 60109009 = 10215^2 + 7753^2 .

It is a super-3 number, since 3×164455234³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164455234.

It is not an unprimeable number, because it can be changed into a prime (164455231) by changing a digit.

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 as a sum of consecutive naturals, namely, 41113807 + ... + 41113810.

Almost surely, 2^164455234 is an apocalyptic number.

164455234 is a deficient number, since it is larger than the sum of its proper divisors (82227620).

164455234 is an equidigital number, since it uses as much as digits as its factorization.

164455234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82227619.

The product of its digits is 57600, while the sum is 34.

The square root of 164455234 is about 12824.0100592599. The cubic root of 164455234 is about 547.8763662520.

The spelling of 164455234 in words is "one hundred sixty-four million, four hundred fifty-five thousand, two hundred thirty-four".