144213550 has 96 divisors (see below), whose sum is σ = 316479744. Its totient is φ = 48384000.

The previous prime is 144213541. The next prime is 144213551. The reversal of 144213550 is 55312441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144213551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 342340 + ... + 342760.

It is an arithmetic number, because the mean of its divisors is an integer number (3296664).

Almost surely, 2^144213550 is an apocalyptic number.

144213550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144213550 is an abundant number, since it is smaller than the sum of its proper divisors (172266194).

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

144213550 is a wasteful number, since it uses less digits than its factorization.

144213550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 144213550 is about 12008.8946202388. The cubic root of 144213550 is about 524.4072524051.

Adding to 144213550 its reverse (55312441), we get a palindrome (199525991).

It can be divided in two parts, 14421 and 3550, that added together give a palindrome (17971).

The spelling of 144213550 in words is "one hundred forty-four million, two hundred thirteen thousand, five hundred fifty".