144249498 has 20 divisors (see below), whose sum is σ = 323226090. Its totient is φ = 48083112.

The previous prime is 144249487. The next prime is 144249527. The reversal of 144249498 is 894942441.

It can be written as a sum of positive squares in only one way, i.e., 143928009 + 321489 = 11997^2 + 567^2 .

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 9 ways as a sum of consecutive naturals, for example, 445053 + ... + 445376.

Almost surely, 2^144249498 is an apocalyptic number.

144249498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

144249498 is an abundant number, since it is smaller than the sum of its proper divisors (178976592).

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

144249498 is an equidigital number, since it uses as much as digits as its factorization.

144249498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890443 (or 890434 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 144249498 is about 12010.3912509127. The cubic root of 144249498 is about 524.4508216485.

The spelling of 144249498 in words is "one hundred forty-four million, two hundred forty-nine thousand, four hundred ninety-eight".