144041687 has 4 divisors (see below), whose sum is σ = 144670920. Its totient is φ = 143412456.

The previous prime is 144041683. The next prime is 144041713. The reversal of 144041687 is 786140441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144041687 - 2² = 144041683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144041683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314273 + ... + 314730.

It is an arithmetic number, because the mean of its divisors is an integer number (36167730).

Almost surely, 2^144041687 is an apocalyptic number.

144041687 is a deficient number, since it is larger than the sum of its proper divisors (629233).

144041687 is an equidigital number, since it uses as much as digits as its factorization.

144041687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629232.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 144041687 is about 12001.7368326422. The cubic root of 144041687 is about 524.1988530574.

The spelling of 144041687 in words is "one hundred forty-four million, forty-one thousand, six hundred eighty-seven".