164144152 has 8 divisors (see below), whose sum is σ = 307770300. Its totient is φ = 82072072.

The previous prime is 164144131. The next prime is 164144159. The reversal of 164144152 is 251441461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 164144152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164144159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10259002 + ... + 10259017.

Almost surely, 2^164144152 is an apocalyptic number.

It is an amenable number.

164144152 is a deficient number, since it is larger than the sum of its proper divisors (143626148).

164144152 is a wasteful number, since it uses less digits than its factorization.

164144152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20518025 (or 20518021 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 164144152 is about 12811.8754286794. The cubic root of 164144152 is about 547.5306955817.

The spelling of 164144152 in words is "one hundred sixty-four million, one hundred forty-four thousand, one hundred fifty-two".