144009574 has 8 divisors (see below), whose sum is σ = 218748960. Its totient is φ = 71093256.

The previous prime is 144009559. The next prime is 144009577. The reversal of 144009574 is 475900441.

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

It is a super-2 number, since 2×144009574² = 41477514807322952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144009577) 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, 455569 + ... + 455884.

It is an arithmetic number, because the mean of its divisors is an integer number (27343620).

Almost surely, 2^144009574 is an apocalyptic number.

144009574 is a deficient number, since it is larger than the sum of its proper divisors (74739386).

144009574 is an equidigital number, since it uses as much as digits as its factorization.

144009574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911534.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 144009574 is about 12000.3989100363. The cubic root of 144009574 is about 524.1598947779.

The spelling of 144009574 in words is "one hundred forty-four million, nine thousand, five hundred seventy-four".