164454015 has 32 divisors (see below), whose sum is σ = 287629056. Its totient is φ = 79573760.

The previous prime is 164454013. The next prime is 164454019. The reversal of 164454015 is 510454461.

It is not a de Polignac number, because 164454015 - 2¹ = 164454013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164454013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140824 + ... + 141986.

It is an arithmetic number, because the mean of its divisors is an integer number (8988408).

Almost surely, 2^164454015 is an apocalyptic number.

164454015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164454015 is a deficient number, since it is larger than the sum of its proper divisors (123175041).

164454015 is a wasteful number, since it uses less digits than its factorization.

164454015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 164454015 is about 12823.9625311368. The cubic root of 164454015 is about 547.8750125646.

The spelling of 164454015 in words is "one hundred sixty-four million, four hundred fifty-four thousand, fifteen".