144949378 has 32 divisors (see below), whose sum is σ = 263779200. Its totient is φ = 58316544.

The previous prime is 144949333. The next prime is 144949379. The reversal of 144949378 is 873949441.

It is not an unprimeable number, because it can be changed into a prime (144949379) 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, 168313 + ... + 169171.

It is an arithmetic number, because the mean of its divisors is an integer number (8243100).

Almost surely, 2^144949378 is an apocalyptic number.

144949378 is a deficient number, since it is larger than the sum of its proper divisors (118829822).

144949378 is a wasteful number, since it uses less digits than its factorization.

144949378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594.

The product of its digits is 870912, while the sum is 49.

The square root of 144949378 is about 12039.4924311617. The cubic root of 144949378 is about 525.2976428630.

The spelling of 144949378 in words is "one hundred forty-four million, nine hundred forty-nine thousand, three hundred seventy-eight".