144253450 has 48 divisors (see below), whose sum is σ = 293927616. Its totient is φ = 52236800.

The previous prime is 144253429. The next prime is 144253451. The reversal of 144253450 is 54352441.

It is not an unprimeable number, because it can be changed into a prime (144253451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193779 + ... + 194521.

It is an arithmetic number, because the mean of its divisors is an integer number (6123492).

Almost surely, 2^144253450 is an apocalyptic number.

144253450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144253450 is an abundant number, since it is smaller than the sum of its proper divisors (149674166).

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

144253450 is a wasteful number, since it uses less digits than its factorization.

144253450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 144253450 is about 12010.5557739848. Note that the first 3 decimals coincide. The cubic root of 144253450 is about 524.4556110602.

The spelling of 144253450 in words is "one hundred forty-four million, two hundred fifty-three thousand, four hundred fifty".