144283740 has 48 divisors (see below), whose sum is σ = 405797280. Its totient is φ = 38304000.

The previous prime is 144283723. The next prime is 144283751. The reversal of 144283740 is 47382441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8490 + ... + 18990.

It is an arithmetic number, because the mean of its divisors is an integer number (8454110).

Almost surely, 2^144283740 is an apocalyptic number.

144283740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144283740 is an abundant number, since it is smaller than the sum of its proper divisors (261513540).

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

144283740 is a wasteful number, since it uses less digits than its factorization.

144283740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10742 (or 10740 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 144283740 is about 12011.8166819179. The cubic root of 144283740 is about 524.4923164763.

The spelling of 144283740 in words is "one hundred forty-four million, two hundred eighty-three thousand, seven hundred forty".