164430145 has 16 divisors (see below), whose sum is σ = 222678720. Its totient is φ = 115460800.

The previous prime is 164430143. The next prime is 164430157. The reversal of 164430145 is 541034461.

It is not a de Polignac number, because 164430145 - 2¹ = 164430143 is a prime.

It is a super-3 number, since 3×164430145³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164430143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49951 + ... + 53140.

It is an arithmetic number, because the mean of its divisors is an integer number (13917420).

Almost surely, 2^164430145 is an apocalyptic number.

It is an amenable number.

164430145 is a deficient number, since it is larger than the sum of its proper divisors (58248575).

164430145 is a wasteful number, since it uses less digits than its factorization.

164430145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103136.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 164430145 is about 12823.0318177879. The cubic root of 164430145 is about 547.8485038182.

The spelling of 164430145 in words is "one hundred sixty-four million, four hundred thirty thousand, one hundred forty-five".