144557537 has 2 divisors, whose sum is σ = 144557538. Its totient is φ = 144557536.

The previous prime is 144557521. The next prime is 144557573. The reversal of 144557537 is 735755441.

144557537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (144557573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126247696 + 18309841 = 11236^2 + 4279^2 .

It is a cyclic number.

It is not a de Polignac number, because 144557537 - 2⁴ = 144557521 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144557494 and 144557503.

It is not a weakly prime, because it can be changed into another prime (144557587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72278768 + 72278769.

It is an arithmetic number, because the mean of its divisors is an integer number (72278769).

Almost surely, 2^144557537 is an apocalyptic number.

It is an amenable number.

144557537 is a deficient number, since it is larger than the sum of its proper divisors (1).

144557537 is an equidigital number, since it uses as much as digits as its factorization.

144557537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294000, while the sum is 41.

The square root of 144557537 is about 12023.2082656835. The cubic root of 144557537 is about 524.8238707744.

The spelling of 144557537 in words is "one hundred forty-four million, five hundred fifty-seven thousand, five hundred thirty-seven".