144348740 has 24 divisors (see below), whose sum is σ = 307287960. Its totient is φ = 56947968.

The previous prime is 144348731. The next prime is 144348749. The reversal of 144348740 is 47843441.

It is an interprime number because it is at equal distance from previous prime (144348731) and next prime (144348749).

It can be written as a sum of positive squares in 4 ways, for example, as 53260804 + 91087936 = 7298^2 + 9544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144348740.

It is not an unprimeable number, because it can be changed into a prime (144348749) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47975 + ... + 50894.

It is an arithmetic number, because the mean of its divisors is an integer number (12803665).

Almost surely, 2^144348740 is an apocalyptic number.

144348740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144348740 is an abundant number, since it is smaller than the sum of its proper divisors (162939220).

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

144348740 is a wasteful number, since it uses less digits than its factorization.

144348740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98951 (or 98949 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 144348740 is about 12014.5220462572. The cubic root of 144348740 is about 524.5710661269.

The spelling of 144348740 in words is "one hundred forty-four million, three hundred forty-eight thousand, seven hundred forty".