144007545 has 32 divisors (see below), whose sum is σ = 253471104. Its totient is φ = 69812160.

The previous prime is 144007543. The next prime is 144007579. The reversal of 144007545 is 545700441.

144007545 = T₃₆₅ + T₃₆₆ + ... + T₉₆₉.

It is not a de Polignac number, because 144007545 - 2¹ = 144007543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144007541) 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 in 31 ways as a sum of consecutive naturals, for example, 16359 + ... + 23571.

It is an arithmetic number, because the mean of its divisors is an integer number (7920972).

Almost surely, 2^144007545 is an apocalyptic number.

144007545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144007545 is a deficient number, since it is larger than the sum of its proper divisors (109463559).

144007545 is an equidigital number, since it uses as much as digits as its factorization.

144007545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7254 (or 7232 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 144007545 is about 12000.3143708821. The cubic root of 144007545 is about 524.1574330772.

Adding to 144007545 its reverse (545700441), we get a palindrome (689707986).

It can be divided in two parts, 14400 and 7545, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 144007545 in words is "one hundred forty-four million, seven thousand, five hundred forty-five".