144825748989 has 8 divisors (see below), whose sum is σ = 193674000000. Its totient is φ = 96263998656.

The previous prime is 144825748987. The next prime is 144825748993. The reversal of 144825748989 is 989847528441.

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

It is not a de Polignac number, because 144825748989 - 2¹ = 144825748987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144825748987) 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, 71623989 + ... + 71626010.

It is an arithmetic number, because the mean of its divisors is an integer number (24209250000).

Almost surely, 2^144825748989 is an apocalyptic number.

It is an amenable number.

144825748989 is a deficient number, since it is larger than the sum of its proper divisors (48848251011).

144825748989 is a wasteful number, since it uses less digits than its factorization.

144825748989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143250339.

The product of its digits is 185794560, while the sum is 69.

The spelling of 144825748989 in words is "one hundred forty-four billion, eight hundred twenty-five million, seven hundred forty-eight thousand, nine hundred eighty-nine".