214161144 has 32 divisors (see below), whose sum is σ = 552675840. Its totient is φ = 69084000.

The previous prime is 214161137. The next prime is 214161169. The reversal of 214161144 is 441161412.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143182 + ... + 144669.

It is an arithmetic number, because the mean of its divisors is an integer number (17271120).

Almost surely, 2^214161144 is an apocalyptic number.

214161144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

214161144 is an abundant number, since it is smaller than the sum of its proper divisors (338514696).

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

214161144 is a wasteful number, since it uses less digits than its factorization.

214161144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287891 (or 287887 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 214161144 is about 14634.2455903952. The cubic root of 214161144 is about 598.2925009099.

The spelling of 214161144 in words is "two hundred fourteen million, one hundred sixty-one thousand, one hundred forty-four".