144380737 has 4 divisors (see below), whose sum is σ = 144419760. Its totient is φ = 144341716.

The previous prime is 144380699. The next prime is 144380773. The reversal of 144380737 is 737083441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144380737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144380696 and 144380705.

It is not an unprimeable number, because it can be changed into a prime (144380777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13303 + ... + 21580.

It is an arithmetic number, because the mean of its divisors is an integer number (36104940).

Almost surely, 2^144380737 is an apocalyptic number.

It is an amenable number.

144380737 is a deficient number, since it is larger than the sum of its proper divisors (39023).

144380737 is an equidigital number, since it uses as much as digits as its factorization.

144380737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39022.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 144380737 is about 12015.8535693475. The cubic root of 144380737 is about 524.6098228683.

The spelling of 144380737 in words is "one hundred forty-four million, three hundred eighty thousand, seven hundred thirty-seven".