144738049 has 4 divisors (see below), whose sum is σ = 146720836. Its totient is φ = 142755264.

The previous prime is 144738037. The next prime is 144738091. The reversal of 144738049 is 940837441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108014449 + 36723600 = 10393^2 + 6060^2 .

It is a cyclic number.

It is not a de Polignac number, because 144738049 - 2⁷ = 144737921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144738019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991284 + ... + 991429.

It is an arithmetic number, because the mean of its divisors is an integer number (36680209).

Almost surely, 2^144738049 is an apocalyptic number.

It is an amenable number.

144738049 is a deficient number, since it is larger than the sum of its proper divisors (1982787).

144738049 is an equidigital number, since it uses as much as digits as its factorization.

144738049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982786.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 144738049 is about 12030.7127386535. The cubic root of 144738049 is about 525.0422327326.

It can be divided in two parts, 14473 and 8049, that added together give a palindrome (22522).

The spelling of 144738049 in words is "one hundred forty-four million, seven hundred thirty-eight thousand, forty-nine".