144820734 has 16 divisors (see below), whose sum is σ = 289783440. Its totient is φ = 48249920.

The previous prime is 144820729. The next prime is 144820763. The reversal of 144820734 is 437028441.

144820734 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 144820695 and 144820704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11122 + ... + 20330.

It is an arithmetic number, because the mean of its divisors is an integer number (18111465).

Almost surely, 2^144820734 is an apocalyptic number.

144820734 is an abundant number, since it is smaller than the sum of its proper divisors (144962706).

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

144820734 is a wasteful number, since it uses less digits than its factorization.

144820734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11835.

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

The square root of 144820734 is about 12034.1486612057. The cubic root of 144820734 is about 525.1421945901.

The spelling of 144820734 in words is "one hundred forty-four million, eight hundred twenty thousand, seven hundred thirty-four".