144457075 has 48 divisors (see below), whose sum is σ = 220700160. Its totient is φ = 91537920.

The previous prime is 144457069. The next prime is 144457099. The reversal of 144457075 is 570754441.

It is not a de Polignac number, because 144457075 - 2¹⁵ = 144424307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175114 + ... + 175936.

It is an arithmetic number, because the mean of its divisors is an integer number (4597920).

Almost surely, 2^144457075 is an apocalyptic number.

144457075 is a deficient number, since it is larger than the sum of its proper divisors (76243085).

144457075 is a wasteful number, since it uses less digits than its factorization.

144457075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 144457075 is about 12019.0297029336. The cubic root of 144457075 is about 524.7022650446.

The spelling of 144457075 in words is "one hundred forty-four million, four hundred fifty-seven thousand, seventy-five".