144709486 has 4 divisors (see below), whose sum is σ = 217064232. Its totient is φ = 72354742.

The previous prime is 144709463. The next prime is 144709489. The reversal of 144709486 is 684907441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 684907441 = 17 ⋅40288673.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144709489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36177370 + ... + 36177373.

It is an arithmetic number, because the mean of its divisors is an integer number (54266058).

Almost surely, 2^144709486 is an apocalyptic number.

144709486 is a deficient number, since it is larger than the sum of its proper divisors (72354746).

144709486 is an equidigital number, since it uses as much as digits as its factorization.

144709486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72354745.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 144709486 is about 12029.5255933058. The cubic root of 144709486 is about 525.0076927066.

The spelling of 144709486 in words is "one hundred forty-four million, seven hundred nine thousand, four hundred eighty-six".