144134451 has 8 divisors (see below), whose sum is σ = 213532560. Its totient is φ = 96089616.

The previous prime is 144134443. The next prime is 144134467. The reversal of 144134451 is 154431441.

It is not a de Polignac number, because 144134451 - 2³ = 144134443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5338313 = 144134451 / (1 + 4 + 4 + 1 + 3 + 4 + 4 + 5 + 1).

It is not an unprimeable number, because it can be changed into a prime (144134411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2669130 + ... + 2669183.

It is an arithmetic number, because the mean of its divisors is an integer number (26691570).

Almost surely, 2^144134451 is an apocalyptic number.

144134451 is a deficient number, since it is larger than the sum of its proper divisors (69398109).

144134451 is an equidigital number, since it uses as much as digits as its factorization.

144134451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338322 (or 5338316 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 144134451 is about 12005.6008179516. The cubic root of 144134451 is about 524.3113583292.

Adding to 144134451 its reverse (154431441), we get a palindrome (298565892).

The spelling of 144134451 in words is "one hundred forty-four million, one hundred thirty-four thousand, four hundred fifty-one".