144264727 has 4 divisors (see below), whose sum is σ = 145541520. Its totient is φ = 142987936.

The previous prime is 144264719. The next prime is 144264767. The reversal of 144264727 is 727462441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144264727 - 2³ = 144264719 is a prime.

It is a super-2 number, since 2×144264727² = 41624622912769058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144264767) 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, 638227 + ... + 638452.

It is an arithmetic number, because the mean of its divisors is an integer number (36385380).

Almost surely, 2^144264727 is an apocalyptic number.

144264727 is a deficient number, since it is larger than the sum of its proper divisors (1276793).

144264727 is a wasteful number, since it uses less digits than its factorization.

144264727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276792.

The product of its digits is 75264, while the sum is 37.

The square root of 144264727 is about 12011.0252268489. The cubic root of 144264727 is about 524.4692771269.

It can be divided in two parts, 144264 and 727, that added together give a triangular number (144991 = T₅₃₈).

The spelling of 144264727 in words is "one hundred forty-four million, two hundred sixty-four thousand, seven hundred twenty-seven".