144752653 has 4 divisors (see below), whose sum is σ = 144994108. Its totient is φ = 144511200.

The previous prime is 144752651. The next prime is 144752669. The reversal of 144752653 is 356257441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356257441 = 223 ⋅1597567.

It can be written as a sum of positive squares in 2 ways, for example, as 56355049 + 88397604 = 7507^2 + 9402^2 .

It is a cyclic number.

It is not a de Polignac number, because 144752653 - 2¹ = 144752651 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 (144752651) 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, 119826 + ... + 121027.

It is an arithmetic number, because the mean of its divisors is an integer number (36248527).

Almost surely, 2^144752653 is an apocalyptic number.

It is an amenable number.

144752653 is a deficient number, since it is larger than the sum of its proper divisors (241455).

144752653 is an equidigital number, since it uses as much as digits as its factorization.

144752653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241454.

The product of its digits is 100800, while the sum is 37.

The square root of 144752653 is about 12031.3196699281. The cubic root of 144752653 is about 525.0598909755.

The spelling of 144752653 in words is "one hundred forty-four million, seven hundred fifty-two thousand, six hundred fifty-three".