605238144 has 64 divisors (see below), whose sum is σ = 1837338240. Its totient is φ = 172924416.

The previous prime is 605238143. The next prime is 605238173. The reversal of 605238144 is 441832506.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605238143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109894 + ... + 115269.

It is an arithmetic number, because the mean of its divisors is an integer number (28708410).

Almost surely, 2^605238144 is an apocalyptic number.

605238144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

605238144 is an abundant number, since it is smaller than the sum of its proper divisors (1232100096).

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

605238144 is a wasteful number, since it uses less digits than its factorization.

605238144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225187 (or 225175 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 605238144 is about 24601.5882414124. The cubic root of 605238144 is about 845.8800136101.

The spelling of 605238144 in words is "six hundred five million, two hundred thirty-eight thousand, one hundred forty-four".