144861499 has 2 divisors, whose sum is σ = 144861500. Its totient is φ = 144861498.

The previous prime is 144861439. The next prime is 144861517. The reversal of 144861499 is 994168441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144861499 - 2¹³ = 144853307 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144861439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72430749 + 72430750.

It is an arithmetic number, because the mean of its divisors is an integer number (72430750).

Almost surely, 2^144861499 is an apocalyptic number.

144861499 is a deficient number, since it is larger than the sum of its proper divisors (1).

144861499 is an equidigital number, since it uses as much as digits as its factorization.

144861499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 144861499 is about 12035.8422638385. The cubic root of 144861499 is about 525.1914633485.

The spelling of 144861499 in words is "one hundred forty-four million, eight hundred sixty-one thousand, four hundred ninety-nine".