144655453 has 4 divisors (see below), whose sum is σ = 144746748. Its totient is φ = 144564160.

The previous prime is 144655439. The next prime is 144655457. The reversal of 144655453 is 354556441.

144655453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354556441 = 127 ⋅2791783.

It can be written as a sum of positive squares in 2 ways, for example, as 91336249 + 53319204 = 9557^2 + 7302^2 .

It is a cyclic number.

It is not a de Polignac number, because 144655453 - 2¹⁷ = 144524381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144655457) 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, 43228 + ... + 46453.

It is an arithmetic number, because the mean of its divisors is an integer number (36186687).

Almost surely, 2^144655453 is an apocalyptic number.

It is an amenable number.

144655453 is a deficient number, since it is larger than the sum of its proper divisors (91295).

144655453 is an equidigital number, since it uses as much as digits as its factorization.

144655453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91294.

The product of its digits is 144000, while the sum is 37.

The square root of 144655453 is about 12027.2795344583. The cubic root of 144655453 is about 524.9423404552.

The spelling of 144655453 in words is "one hundred forty-four million, six hundred fifty-five thousand, four hundred fifty-three".