144734579 has 4 divisors (see below), whose sum is σ = 157892280. Its totient is φ = 131576880.

The previous prime is 144734537. The next prime is 144734587. The reversal of 144734579 is 975437441.

It is a happy number.

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 144734579 - 2⁸ = 144734323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144734509) 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, 6578834 + ... + 6578855.

It is an arithmetic number, because the mean of its divisors is an integer number (39473070).

Almost surely, 2^144734579 is an apocalyptic number.

144734579 is a deficient number, since it is larger than the sum of its proper divisors (13157701).

144734579 is a wasteful number, since it uses less digits than its factorization.

144734579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13157700.

The product of its digits is 423360, while the sum is 44.

The square root of 144734579 is about 12030.5685235570. The cubic root of 144734579 is about 525.0380368511.

The spelling of 144734579 in words is "one hundred forty-four million, seven hundred thirty-four thousand, five hundred seventy-nine".