144246450 has 24 divisors (see below), whose sum is σ = 357731568. Its totient is φ = 38465680.

The previous prime is 144246449. The next prime is 144246481. The reversal of 144246450 is 54642441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 480672 + ... + 480971.

It is an arithmetic number, because the mean of its divisors is an integer number (14905482).

Almost surely, 2^144246450 is an apocalyptic number.

144246450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144246450 is an abundant number, since it is smaller than the sum of its proper divisors (213485118).

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

144246450 is a wasteful number, since it uses less digits than its factorization.

144246450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961658 (or 961653 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 144246450 is about 12010.2643601213. The cubic root of 144246450 is about 524.4471277307.

Adding to 144246450 its reverse (54642441), we get a palindrome (198888891).

The spelling of 144246450 in words is "one hundred forty-four million, two hundred forty-six thousand, four hundred fifty".