144261416 has 16 divisors (see below), whose sum is σ = 291297300. Its totient is φ = 66582144.

The previous prime is 144261379. The next prime is 144261427. The reversal of 144261416 is 614162441.

It can be written as a sum of positive squares in 2 ways, for example, as 144240100 + 21316 = 12010^2 + 146^2 .

It is a super-2 number, since 2×144261416² = 41622712292650112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693461 + ... + 693668.

Almost surely, 2^144261416 is an apocalyptic number.

It is an amenable number.

144261416 is an abundant number, since it is smaller than the sum of its proper divisors (147035884).

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

144261416 is a wasteful number, since it uses less digits than its factorization.

144261416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387148 (or 1387144 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 144261416 is about 12010.8873943602. The cubic root of 144261416 is about 524.4652647554.

The spelling of 144261416 in words is "one hundred forty-four million, two hundred sixty-one thousand, four hundred sixteen".