144137801 has 8 divisors (see below), whose sum is σ = 149245320. Its totient is φ = 139039488.

The previous prime is 144137789. The next prime is 144137809. The reversal of 144137801 is 108731441.

144137801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37222201 + 106915600 = 6101^2 + 10340^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 144137801 - 2²² = 139943497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144137809) 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, 50135 + ... + 52931.

It is an arithmetic number, because the mean of its divisors is an integer number (18655665).

Almost surely, 2^144137801 is an apocalyptic number.

It is an amenable number.

144137801 is a deficient number, since it is larger than the sum of its proper divisors (5107519).

144137801 is a wasteful number, since it uses less digits than its factorization.

144137801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 144137801 is about 12005.7403353562. The cubic root of 144137801 is about 524.3154203455.

The spelling of 144137801 in words is "one hundred forty-four million, one hundred thirty-seven thousand, eight hundred one".