144740067 has 8 divisors (see below), whose sum is σ = 193669824. Its totient is φ = 96151848.

The previous prime is 144740059. The next prime is 144740083. The reversal of 144740067 is 760047441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144740067 - 2³ = 144740059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144740047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84393 + ... + 86090.

It is an arithmetic number, because the mean of its divisors is an integer number (24208728).

Almost surely, 2^144740067 is an apocalyptic number.

144740067 is a deficient number, since it is larger than the sum of its proper divisors (48929757).

144740067 is a wasteful number, since it uses less digits than its factorization.

144740067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170769.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 144740067 is about 12030.7966070414. The cubic root of 144740067 is about 525.0446728426.

It can be divided in two parts, 1447 and 40067, that added together give a palindrome (41514).

The spelling of 144740067 in words is "one hundred forty-four million, seven hundred forty thousand, sixty-seven".