144137715 has 16 divisors (see below), whose sum is σ = 232663968. Its totient is φ = 76192256.

The previous prime is 144137701. The next prime is 144137723. The reversal of 144137715 is 517731441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144137715 - 2¹⁰ = 144136691 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 40824 + ... + 44213.

It is an arithmetic number, because the mean of its divisors is an integer number (14541498).

Almost surely, 2^144137715 is an apocalyptic number.

144137715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144137715 is a deficient number, since it is larger than the sum of its proper divisors (88526253).

144137715 is a wasteful number, since it uses less digits than its factorization.

144137715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85158.

The product of its digits is 11760, while the sum is 33.

The square root of 144137715 is about 12005.7367537357. The cubic root of 144137715 is about 524.3153160676.

The spelling of 144137715 in words is "one hundred forty-four million, one hundred thirty-seven thousand, seven hundred fifteen".