144377245 has 8 divisors (see below), whose sum is σ = 173426616. Its totient is φ = 115385856.

The previous prime is 144377239. The next prime is 144377249. The reversal of 144377245 is 542773441.

It can be written as a sum of positive squares in 4 ways, for example, as 97673689 + 46703556 = 9883^2 + 6834^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144377245 - 2⁵ = 144377213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144377249) 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 7 ways as a sum of consecutive naturals, for example, 8812 + ... + 19141.

It is an arithmetic number, because the mean of its divisors is an integer number (21678327).

Almost surely, 2^144377245 is an apocalyptic number.

It is an amenable number.

144377245 is a deficient number, since it is larger than the sum of its proper divisors (29049371).

144377245 is a wasteful number, since it uses less digits than its factorization.

144377245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28991.

The product of its digits is 94080, while the sum is 37.

The square root of 144377245 is about 12015.7082604397. The cubic root of 144377245 is about 524.6055934208.

The spelling of 144377245 in words is "one hundred forty-four million, three hundred seventy-seven thousand, two hundred forty-five".