214153955 has 8 divisors (see below), whose sum is σ = 257090112. Its totient is φ = 171252928.

The previous prime is 214153939. The next prime is 214153957. The reversal of 214153955 is 559351412.

It is a Cunningham number, because it is equal to 14634²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214153955 - 2⁴ = 214153939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214153957) 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, 7319 + ... + 21951.

It is an arithmetic number, because the mean of its divisors is an integer number (32136264).

Almost surely, 2^214153955 is an apocalyptic number.

214153955 is a deficient number, since it is larger than the sum of its proper divisors (42936157).

214153955 is a wasteful number, since it uses less digits than its factorization.

214153955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17565.

The product of its digits is 27000, while the sum is 35.

The square root of 214153955 is about 14633.9999658330. Note that the first 4 decimals coincide. The cubic root of 214153955 is about 598.2858063047.

The spelling of 214153955 in words is "two hundred fourteen million, one hundred fifty-three thousand, nine hundred fifty-five".