144202474 has 8 divisors (see below), whose sum is σ = 232942500. Its totient is φ = 66554976.

The previous prime is 144202469. The next prime is 144202477. The reversal of 144202474 is 474202441.

It can be written as a sum of positive squares in 2 ways, for example, as 129800449 + 14402025 = 11393^2 + 3795^2 .

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

It is not an unprimeable number, because it can be changed into a prime (144202477) 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 3 ways as a sum of consecutive naturals, for example, 2773099 + ... + 2773150.

Almost surely, 2^144202474 is an apocalyptic number.

144202474 is a deficient number, since it is larger than the sum of its proper divisors (88740026).

144202474 is a wasteful number, since it uses less digits than its factorization.

144202474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546264.

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 144202474 is about 12008.4334532028. The cubic root of 144202474 is about 524.3938267517.

The spelling of 144202474 in words is "one hundred forty-four million, two hundred two thousand, four hundred seventy-four".