614144 has 18 divisors (see below), whose sum is σ = 1226400. Its totient is φ = 306944.

The previous prime is 614143. The next prime is 614147. The reversal of 614144 is 441416.

It is a happy number.

It is a super-3 number, since 3×614144³ = 694915333412093952, which contains 333 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 614144.

It is not an unprimeable number, because it can be changed into a prime (614143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944 + ... + 1455.

2⁶¹⁴¹⁴⁴ is an apocalyptic number.

614144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

614144 is a deficient number, since it is larger than the sum of its proper divisors (612256).

614144 is an equidigital number, since it uses as much as digits as its factorization.

614144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415 (or 2401 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 614144 is about 783.6734013605. The cubic root of 614144 is about 85.0008765769. Note that the first 3 decimals are identical.

The spelling of 614144 in words is "six hundred fourteen thousand, one hundred forty-four".