164387245 has 32 divisors (see below), whose sum is σ = 222082560. Its totient is φ = 115776000.

The previous prime is 164387243. The next prime is 164387257. The reversal of 164387245 is 542783461.

It is not a de Polignac number, because 164387245 - 2¹ = 164387243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164387198 and 164387207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164387243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 606460 + ... + 606730.

It is an arithmetic number, because the mean of its divisors is an integer number (6940080).

Almost surely, 2^164387245 is an apocalyptic number.

It is an amenable number.

164387245 is a deficient number, since it is larger than the sum of its proper divisors (57695315).

164387245 is a wasteful number, since it uses less digits than its factorization.

164387245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its digits is 161280, while the sum is 40.

The square root of 164387245 is about 12821.3589373358. The cubic root of 164387245 is about 547.8008549213.

It can be divided in two parts, 1643 and 87245, that added together give a palindrome (88888).

The spelling of 164387245 in words is "one hundred sixty-four million, three hundred eighty-seven thousand, two hundred forty-five".