144145451 has 8 divisors (see below), whose sum is σ = 148792800. Its totient is φ = 139537728.

The previous prime is 144145447. The next prime is 144145459. The reversal of 144145451 is 154541441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144145451 - 2² = 144145447 is a prime.

It is a super-2 number, since 2×144145451² = 41555822087986802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144145459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2426 + ... + 17151.

It is an arithmetic number, because the mean of its divisors is an integer number (18599100).

Almost surely, 2^144145451 is an apocalyptic number.

144145451 is a deficient number, since it is larger than the sum of its proper divisors (4647349).

144145451 is a wasteful number, since it uses less digits than its factorization.

144145451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19813.

The product of its digits is 6400, while the sum is 29.

The square root of 144145451 is about 12006.0589287243. The cubic root of 144145451 is about 524.3246960571.

Adding to 144145451 its reverse (154541441), we get a palindrome (298686892).

The spelling of 144145451 in words is "one hundred forty-four million, one hundred forty-five thousand, four hundred fifty-one".