164143003 has 4 divisors (see below), whose sum is σ = 164195640. Its totient is φ = 164090368.

The previous prime is 164142949. The next prime is 164143043. The reversal of 164143003 is 300341461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164143003 - 2¹³ = 164134811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164143043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21325 + ... + 27982.

It is an arithmetic number, because the mean of its divisors is an integer number (41048910).

Almost surely, 2^164143003 is an apocalyptic number.

164143003 is a deficient number, since it is larger than the sum of its proper divisors (52637).

164143003 is an equidigital number, since it uses as much as digits as its factorization.

164143003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52636.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 164143003 is about 12811.8305873907. The cubic root of 164143003 is about 547.5294180172.

Adding to 164143003 its reverse (300341461), we get a palindrome (464484464).

It can be divided in two parts, 1641 and 43003, that added together give a palindrome (44644).

The spelling of 164143003 in words is "one hundred sixty-four million, one hundred forty-three thousand, three".