144794340 has 72 divisors (see below), whose sum is σ = 440189568. Its totient is φ = 38525760.

The previous prime is 144794339. The next prime is 144794359. The reversal of 144794340 is 43497441.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 144794295 and 144794304.

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 23 ways as a sum of consecutive naturals, for example, 158485 + ... + 159395.

It is an arithmetic number, because the mean of its divisors is an integer number (6113744).

Almost surely, 2^144794340 is an apocalyptic number.

144794340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144794340 is an abundant number, since it is smaller than the sum of its proper divisors (295395228).

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

144794340 is a wasteful number, since it uses less digits than its factorization.

144794340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 144794340 is about 12033.0519819371. The cubic root of 144794340 is about 525.1102897543.

The spelling of 144794340 in words is "one hundred forty-four million, seven hundred ninety-four thousand, three hundred forty".