144540547 has 2 divisors, whose sum is σ = 144540548. Its totient is φ = 144540546.

The previous prime is 144540527. The next prime is 144540551. The reversal of 144540547 is 745045441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144540547 - 2⁷ = 144540419 is a prime.

It is not a weakly prime, because it can be changed into another prime (144540527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72270273 + 72270274.

It is an arithmetic number, because the mean of its divisors is an integer number (72270274).

Almost surely, 2^144540547 is an apocalyptic number.

144540547 is a deficient number, since it is larger than the sum of its proper divisors (1).

144540547 is an equidigital number, since it uses as much as digits as its factorization.

144540547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 144540547 is about 12022.5016947389. The cubic root of 144540547 is about 524.8033089342.

Adding to 144540547 its reverse (745045441), we get a palindrome (889585988).

The spelling of 144540547 in words is "one hundred forty-four million, five hundred forty thousand, five hundred forty-seven".