1144154202450 has 96 divisors (see below), whose sum is σ = 3244780404096. Its totient is φ = 261366082560.

The previous prime is 1144154202439. The next prime is 1144154202509. The reversal of 1144154202450 is 542024514411.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1455834 + ... + 2099466.

It is an arithmetic number, because the mean of its divisors is an integer number (33799795876).

Almost surely, 2^{1144154202450} is an apocalyptic number.

1144154202450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144154202450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622390202048).

1144154202450 is an abundant number, since it is smaller than the sum of its proper divisors (2100626201646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144154202450 is a wasteful number, since it uses less digits than its factorization.

1144154202450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645348 (or 645343 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 1144154202450 its reverse (542024514411), we get a palindrome (1686178716861).

The spelling of 1144154202450 in words is "one trillion, one hundred forty-four billion, one hundred fifty-four million, two hundred two thousand, four hundred fifty".