144378045 has 80 divisors (see below), whose sum is σ = 298856448. Its totient is φ = 65318400.

The previous prime is 144378043. The next prime is 144378077. The reversal of 144378045 is 540873441.

It is not a de Polignac number, because 144378045 - 2¹ = 144378043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144378041) 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 79 ways as a sum of consecutive naturals, for example, 359845 + ... + 360245.

Almost surely, 2^144378045 is an apocalyptic number.

144378045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144378045 is an abundant number, since it is smaller than the sum of its proper divisors (154478403).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144378045 is a wasteful number, since it uses less digits than its factorization.

144378045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 144378045 is about 12015.7415501500. The cubic root of 144378045 is about 524.6065623724.

The spelling of 144378045 in words is "one hundred forty-four million, three hundred seventy-eight thousand, forty-five".