144920701 has 4 divisors (see below), whose sum is σ = 144961600. Its totient is φ = 144879804.

The previous prime is 144920687. The next prime is 144920717. The reversal of 144920701 is 107029441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 107029441 = 61 ⋅1754581.

It is a cyclic number.

It is not a de Polignac number, because 144920701 - 2⁵ = 144920669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144920701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144920731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14571 + ... + 22408.

It is an arithmetic number, because the mean of its divisors is an integer number (36240400).

Almost surely, 2^144920701 is an apocalyptic number.

It is an amenable number.

144920701 is a deficient number, since it is larger than the sum of its proper divisors (40899).

144920701 is an equidigital number, since it uses as much as digits as its factorization.

144920701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40898.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 144920701 is about 12038.3014167282. The cubic root of 144920701 is about 525.2629986899.

The spelling of 144920701 in words is "one hundred forty-four million, nine hundred twenty thousand, seven hundred one".