144091724 has 24 divisors (see below), whose sum is σ = 290740128. Its totient is φ = 61205760.

The previous prime is 144091723. The next prime is 144091729. The reversal of 144091724 is 427190441.

It is not an unprimeable number, because it can be changed into a prime (144091723) 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, 19607 + ... + 25934.

It is an arithmetic number, because the mean of its divisors is an integer number (12114172).

Almost surely, 2^144091724 is an apocalyptic number.

144091724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144091724 is an abundant number, since it is smaller than the sum of its proper divisors (146648404).

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

144091724 is a wasteful number, since it uses less digits than its factorization.

144091724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45665 (or 45663 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 144091724 is about 12003.8212249267. The cubic root of 144091724 is about 524.2595445187.

The spelling of 144091724 in words is "one hundred forty-four million, ninety-one thousand, seven hundred twenty-four".