214551155 has 96 divisors (see below), whose sum is σ = 347493888. Its totient is φ = 125798400.

The previous prime is 214551151. The next prime is 214551167. The reversal of 214551155 is 551155412.

It is not a de Polignac number, because 214551155 - 2² = 214551151 is a prime.

It is a super-2 number, since 2×214551155² = 92064396223668050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214551151) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4048109 + ... + 4048161.

It is an arithmetic number, because the mean of its divisors is an integer number (3619728).

Almost surely, 2^214551155 is an apocalyptic number.

214551155 is a deficient number, since it is larger than the sum of its proper divisors (132942733).

214551155 is a wasteful number, since it uses less digits than its factorization.

214551155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 150 counting only the distinct ones).

The product of its digits is 5000, while the sum is 29.

The square root of 214551155 is about 14647.5648146714. The cubic root of 214551155 is about 598.6554661503.

The spelling of 214551155 in words is "two hundred fourteen million, five hundred fifty-one thousand, one hundred fifty-five".