144901729 has 8 divisors (see below), whose sum is σ = 165974400. Its totient is φ = 123922176.

The previous prime is 144901723. The next prime is 144901741. The reversal of 144901729 is 927109441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144901729 - 2⁵ = 144901697 is a prime.

It is a super-2 number, since 2×144901729² = 41993022134378882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144901723) 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, 19909 + ... + 26194.

It is an arithmetic number, because the mean of its divisors is an integer number (20746800).

Almost surely, 2^144901729 is an apocalyptic number.

It is an amenable number.

144901729 is a deficient number, since it is larger than the sum of its proper divisors (21072671).

144901729 is an equidigital number, since it uses as much as digits as its factorization.

144901729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46559.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 144901729 is about 12037.5134060154. The cubic root of 144901729 is about 525.2400764425.

The spelling of 144901729 in words is "one hundred forty-four million, nine hundred one thousand, seven hundred twenty-nine".