144158447 has 8 divisors (see below), whose sum is σ = 147398592. Its totient is φ = 140925600.

The previous prime is 144158431. The next prime is 144158459. The reversal of 144158447 is 744851441.

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 144158447 - 2⁴ = 144158431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144158447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144158407) 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, 63797 + ... + 66017.

It is an arithmetic number, because the mean of its divisors is an integer number (18424824).

Almost surely, 2^144158447 is an apocalyptic number.

144158447 is a deficient number, since it is larger than the sum of its proper divisors (3240145).

144158447 is a wasteful number, since it uses less digits than its factorization.

144158447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649.

The product of its digits is 71680, while the sum is 38.

The square root of 144158447 is about 12006.6001432545. The cubic root of 144158447 is about 524.3404531018.

The spelling of 144158447 in words is "one hundred forty-four million, one hundred fifty-eight thousand, four hundred forty-seven".