144081487 has 8 divisors (see below), whose sum is σ = 159333840. Its totient is φ = 129188160.

The previous prime is 144081479. The next prime is 144081491. The reversal of 144081487 is 784180441.

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

It is a cyclic number.

It is not a de Polignac number, because 144081487 - 2³ = 144081479 is a prime.

It is a super-2 number, since 2×144081487² = 41518949792262338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144081467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88912 + ... + 90517.

It is an arithmetic number, because the mean of its divisors is an integer number (19916730).

Almost surely, 2^144081487 is an apocalyptic number.

144081487 is a deficient number, since it is larger than the sum of its proper divisors (15252353).

144081487 is a wasteful number, since it uses less digits than its factorization.

144081487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179513.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 144081487 is about 12003.3948114690. The cubic root of 144081487 is about 524.2471288807.

The spelling of 144081487 in words is "one hundred forty-four million, eighty-one thousand, four hundred eighty-seven".