144844274 has 8 divisors (see below), whose sum is σ = 217952748. Its totient is φ = 72193360.

The previous prime is 144844261. The next prime is 144844289. The reversal of 144844274 is 472448441.

It can be written as a sum of positive squares in 2 ways, for example, as 124657225 + 20187049 = 11165^2 + 4493^2 .

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

It is a super-3 number, since 3×144844274³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113597 + ... + 114864.

Almost surely, 2^144844274 is an apocalyptic number.

144844274 is a deficient number, since it is larger than the sum of its proper divisors (73108474).

144844274 is a wasteful number, since it uses less digits than its factorization.

144844274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228780.

The product of its digits is 114688, while the sum is 38.

The square root of 144844274 is about 12035.1266715394. The cubic root of 144844274 is about 525.1706462655.

The spelling of 144844274 in words is "one hundred forty-four million, eight hundred forty-four thousand, two hundred seventy-four".