144141309 has 16 divisors (see below), whose sum is σ = 229969600. Its totient is φ = 88702128.

The previous prime is 144141301. The next prime is 144141311. The reversal of 144141309 is 903141441.

It is not a de Polignac number, because 144141309 - 2³ = 144141301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144141301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204979 + ... + 205680.

It is an arithmetic number, because the mean of its divisors is an integer number (14373100).

Almost surely, 2^144141309 is an apocalyptic number.

It is an amenable number.

144141309 is a deficient number, since it is larger than the sum of its proper divisors (85828291).

144141309 is a wasteful number, since it uses less digits than its factorization.

144141309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410681 (or 410675 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 144141309 is about 12005.8864312470. The cubic root of 144141309 is about 524.3196738759.

The spelling of 144141309 in words is "one hundred forty-four million, one hundred forty-one thousand, three hundred nine".