144745856 has 16 divisors (see below), whose sum is σ = 288361140. Its totient is φ = 72372864.

The previous prime is 144745847. The next prime is 144745883. The reversal of 144745856 is 658547441.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565286 + ... + 565541.

Almost surely, 2^144745856 is an apocalyptic number.

144745856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144745856 is a deficient number, since it is larger than the sum of its proper divisors (143615284).

144745856 is an equidigital number, since it uses as much as digits as its factorization.

144745856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130841 (or 1130829 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 144745856 is about 12031.0371955206. The cubic root of 144745856 is about 525.0516726162.

The spelling of 144745856 in words is "one hundred forty-four million, seven hundred forty-five thousand, eight hundred fifty-six".