144270697 has 4 divisors (see below), whose sum is σ = 150543360. Its totient is φ = 137998036.

The previous prime is 144270671. The next prime is 144270701. The reversal of 144270697 is 796072441.

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: 796072441 = 41 ⋅19416401.

It is a cyclic number.

It is not a de Polignac number, because 144270697 - 2⁷ = 144270569 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144270647) 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, 3136297 + ... + 3136342.

It is an arithmetic number, because the mean of its divisors is an integer number (37635840).

Almost surely, 2^144270697 is an apocalyptic number.

It is an amenable number.

144270697 is a deficient number, since it is larger than the sum of its proper divisors (6272663).

144270697 is an equidigital number, since it uses as much as digits as its factorization.

144270697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6272662.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 144270697 is about 12011.2737459438. The cubic root of 144270697 is about 524.4765116013.

The spelling of 144270697 in words is "one hundred forty-four million, two hundred seventy thousand, six hundred ninety-seven".