144434015 has 8 divisors (see below), whose sum is σ = 189077328. Its totient is φ = 105042880.

The previous prime is 144433979. The next prime is 144434039. The reversal of 144434015 is 510434441.

It is a happy number.

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

It is not a de Polignac number, because 144434015 - 2¹⁰ = 144432991 is a prime.

It is a super-2 number, since 2×144434015² = 41722369378040450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312982 + ... + 1313091.

It is an arithmetic number, because the mean of its divisors is an integer number (23634666).

Almost surely, 2^144434015 is an apocalyptic number.

144434015 is a deficient number, since it is larger than the sum of its proper divisors (44643313).

144434015 is a wasteful number, since it uses less digits than its factorization.

144434015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626089.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 144434015 is about 12018.0703525982. The cubic root of 144434015 is about 524.6743437674.

Adding to 144434015 its reverse (510434441), we get a palindrome (654868456).

The spelling of 144434015 in words is "one hundred forty-four million, four hundred thirty-four thousand, fifteen".