144811550 has 24 divisors (see below), whose sum is σ = 290069976. Its totient is φ = 53468640.

The previous prime is 144811523. The next prime is 144811607. The reversal of 144811550 is 55118441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110744 + ... + 112043.

It is an arithmetic number, because the mean of its divisors is an integer number (12086249).

Almost surely, 2^144811550 is an apocalyptic number.

144811550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144811550 is an abundant number, since it is smaller than the sum of its proper divisors (145258426).

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

144811550 is a wasteful number, since it uses less digits than its factorization.

144811550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222812 (or 222807 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 144811550 is about 12033.7670743620. The cubic root of 144811550 is about 525.1310934913.

Adding to 144811550 its reverse (55118441), we get a palindrome (199929991).

The spelling of 144811550 in words is "one hundred forty-four million, eight hundred eleven thousand, five hundred fifty".