144450502115 has 16 divisors (see below), whose sum is σ = 173727460800. Its totient is φ = 115302621312.

The previous prime is 144450502111. The next prime is 144450502117. The reversal of 144450502115 is 511205054441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144450502115 - 2² = 144450502111 is a prime.

It is a super-2 number, since 2×144450502115² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144450502111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17477474 + ... + 17485736.

It is an arithmetic number, because the mean of its divisors is an integer number (10857966300).

Almost surely, 2^144450502115 is an apocalyptic number.

144450502115 is a deficient number, since it is larger than the sum of its proper divisors (29276958685).

144450502115 is an equidigital number, since it uses as much as digits as its factorization.

144450502115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15646.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 144450502115 its reverse (511205054441), we get a palindrome (655655556556).

The spelling of 144450502115 in words is "one hundred forty-four billion, four hundred fifty million, five hundred two thousand, one hundred fifteen".