144134005 has 4 divisors (see below), whose sum is σ = 172960812. Its totient is φ = 115307200.

The previous prime is 144133993. The next prime is 144134017. The reversal of 144134005 is 500431441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500431441 = 521 ⋅960521.

It is an interprime number because it is at equal distance from previous prime (144133993) and next prime (144134017).

It can be written as a sum of positive squares in 2 ways, for example, as 105308644 + 38825361 = 10262^2 + 6231^2 .

It is not a de Polignac number, because 144134005 - 2¹¹ = 144131957 is a prime.

It is a super-2 number, since 2×144134005² = 41549222794680050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14413396 + ... + 14413405.

It is an arithmetic number, because the mean of its divisors is an integer number (43240203).

Almost surely, 2^144134005 is an apocalyptic number.

It is an amenable number.

144134005 is a deficient number, since it is larger than the sum of its proper divisors (28826807).

144134005 is an equidigital number, since it uses as much as digits as its factorization.

144134005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28826806.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 144134005 is about 12005.5822432733. The cubic root of 144134005 is about 524.3108175307.

Adding to 144134005 its reverse (500431441), we get a palindrome (644565446).

The spelling of 144134005 in words is "one hundred forty-four million, one hundred thirty-four thousand, five".