214742155 has 8 divisors (see below), whose sum is σ = 258210000. Its totient is φ = 171447456.

The previous prime is 214742153. The next prime is 214742159. The reversal of 214742155 is 551247412.

214742155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 214742155 - 2¹ = 214742153 is a prime.

It is a super-2 number, since 2×214742155² = 92228386268088050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214742153) 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, 40540 + ... + 45529.

It is an arithmetic number, because the mean of its divisors is an integer number (32276250).

Almost surely, 2^214742155 is an apocalyptic number.

214742155 is a deficient number, since it is larger than the sum of its proper divisors (43467845).

214742155 is an equidigital number, since it uses as much as digits as its factorization.

214742155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86573.

The product of its digits is 11200, while the sum is 31.

The square root of 214742155 is about 14654.0832193624. The cubic root of 214742155 is about 598.8330605958.

Adding to 214742155 its reverse (551247412), we get a palindrome (765989567).

The spelling of 214742155 in words is "two hundred fourteen million, seven hundred forty-two thousand, one hundred fifty-five".