144864734 has 16 divisors (see below), whose sum is σ = 248523648. Its totient is φ = 62038872.

The previous prime is 144864679. The next prime is 144864737. The reversal of 144864734 is 437468441.

It is a junction number, because it is equal to n+sod(n) for n = 144864691 and 144864700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144864737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21497 + ... + 27419.

It is an arithmetic number, because the mean of its divisors is an integer number (15532728).

Almost surely, 2^144864734 is an apocalyptic number.

144864734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144864734 is a deficient number, since it is larger than the sum of its proper divisors (103658914).

144864734 is a wasteful number, since it uses less digits than its factorization.

144864734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7679.

The product of its digits is 258048, while the sum is 41.

The square root of 144864734 is about 12035.9766533506. The cubic root of 144864734 is about 525.1953727879.

The spelling of 144864734 in words is "one hundred forty-four million, eight hundred sixty-four thousand, seven hundred thirty-four".