144542143450 has 12 divisors (see below), whose sum is σ = 268848386910. Its totient is φ = 57816857360.

The previous prime is 144542143441. The next prime is 144542143457. The reversal of 144542143450 is 54341245441.

It can be written as a sum of positive squares in 3 ways, for example, as 134388961281 + 10153182169 = 366591^2 + 100763^2 .

It is not an unprimeable number, because it can be changed into a prime (144542143457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1445421385 + ... + 1445421484.

Almost surely, 2^144542143450 is an apocalyptic number.

144542143450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144542143450 is a deficient number, since it is larger than the sum of its proper divisors (124306243460).

144542143450 is a wasteful number, since it uses less digits than its factorization.

144542143450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890842881 (or 2890842876 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 144542143450 its reverse (54341245441), we get a palindrome (198883388891).

The spelling of 144542143450 in words is "one hundred forty-four billion, five hundred forty-two million, one hundred forty-three thousand, four hundred fifty".