144536142550 has 24 divisors (see below), whose sum is σ = 268865539272. Its totient is φ = 57808368000.

The previous prime is 144536142533. The next prime is 144536142557. The reversal of 144536142550 is 55241635441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144536142557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343230 + ... + 637870.

It is an arithmetic number, because the mean of its divisors is an integer number (11202730803).

Almost surely, 2^144536142550 is an apocalyptic number.

144536142550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144536142550 is a deficient number, since it is larger than the sum of its proper divisors (124329396722).

144536142550 is a wasteful number, since it uses less digits than its factorization.

144536142550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304464 (or 304459 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 144536142550 its reverse (55241635441), we get a palindrome (199777777991).

The spelling of 144536142550 in words is "one hundred forty-four billion, five hundred thirty-six million, one hundred forty-two thousand, five hundred fifty".