144701616 has 20 divisors (see below), whose sum is σ = 373812632. Its totient is φ = 48233856.

The previous prime is 144701611. The next prime is 144701617. The reversal of 144701616 is 616107441.

It is a super-2 number, since 2×144701616² = 41877115346022912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144701611) 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, 1507261 + ... + 1507356.

Almost surely, 2^144701616 is an apocalyptic number.

144701616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144701616 is an abundant number, since it is smaller than the sum of its proper divisors (229111016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144701616 is a wasteful number, since it uses less digits than its factorization.

144701616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014628 (or 3014622 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 144701616 is about 12029.1984770391. The cubic root of 144701616 is about 524.9981750503.

The spelling of 144701616 in words is "one hundred forty-four million, seven hundred one thousand, six hundred sixteen".