614045421 has 32 divisors (see below), whose sum is σ = 1035555840. Its totient is φ = 355964400.

The previous prime is 614045407. The next prime is 614045429. The reversal of 614045421 is 124540416.

614045421 is a `hidden beast` number, since 614 + 0 + 4 + 5 + 42 + 1 = 666.

It is not a de Polignac number, because 614045421 - 2¹⁰ = 614044397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614045429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38115 + ... + 51776.

It is an arithmetic number, because the mean of its divisors is an integer number (32361120).

Almost surely, 2^614045421 is an apocalyptic number.

It is an amenable number.

614045421 is a deficient number, since it is larger than the sum of its proper divisors (421510419).

614045421 is a wasteful number, since it uses less digits than its factorization.

614045421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89934 (or 89928 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 614045421 is about 24779.9398909683. The cubic root of 614045421 is about 849.9632837658.

Adding to 614045421 its reverse (124540416), we get a palindrome (738585837).

The spelling of 614045421 in words is "six hundred fourteen million, forty-five thousand, four hundred twenty-one".