144922999 has 8 divisors (see below), whose sum is σ = 158270112. Its totient is φ = 131890080.

The previous prime is 144922993. The next prime is 144923003. The reversal of 144922999 is 999229441.

It is a happy number.

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 144922999 - 2³ = 144922991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144922991) 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, 77584 + ... + 79429.

It is an arithmetic number, because the mean of its divisors is an integer number (19783764).

Almost surely, 2^144922999 is an apocalyptic number.

144922999 is a deficient number, since it is larger than the sum of its proper divisors (13347113).

144922999 is a wasteful number, since it uses less digits than its factorization.

144922999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157097.

The product of its digits is 419904, while the sum is 49.

The square root of 144922999 is about 12038.3968617088. The cubic root of 144922999 is about 525.2657750312.

The spelling of 144922999 in words is "one hundred forty-four million, nine hundred twenty-two thousand, nine hundred ninety-nine".