144734169 has 4 divisors (see below), whose sum is σ = 192978896. Its totient is φ = 96489444.

The previous prime is 144734143. The next prime is 144734179. The reversal of 144734169 is 961437441.

144734169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 144734169 - 2¹⁶ = 144668633 is a prime.

It is a super-2 number, since 2×144734169² = 41895959352241122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144734119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24122359 + ... + 24122364.

It is an arithmetic number, because the mean of its divisors is an integer number (48244724).

Almost surely, 2^144734169 is an apocalyptic number.

It is an amenable number.

144734169 is a deficient number, since it is larger than the sum of its proper divisors (48244727).

144734169 is an equidigital number, since it uses as much as digits as its factorization.

144734169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48244726.

The product of its digits is 72576, while the sum is 39.

The square root of 144734169 is about 12030.5514836187. The cubic root of 144734169 is about 525.0375410797.

The spelling of 144734169 in words is "one hundred forty-four million, seven hundred thirty-four thousand, one hundred sixty-nine".