164513145 has 32 divisors (see below), whose sum is σ = 267501312. Its totient is φ = 86326272.

The previous prime is 164513119. The next prime is 164513149. The reversal of 164513145 is 541315461.

It is a happy number.

It is not a de Polignac number, because 164513145 - 2⁹ = 164512633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164513149) 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, 359757 + ... + 360213.

It is an arithmetic number, because the mean of its divisors is an integer number (8359416).

Almost surely, 2^164513145 is an apocalyptic number.

164513145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164513145 is a deficient number, since it is larger than the sum of its proper divisors (102988167).

164513145 is a wasteful number, since it uses less digits than its factorization.

164513145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801.

The product of its digits is 7200, while the sum is 30.

The square root of 164513145 is about 12826.2677735965. The cubic root of 164513145 is about 547.9406681373.

The spelling of 164513145 in words is "one hundred sixty-four million, five hundred thirteen thousand, one hundred forty-five".