214542455 has 4 divisors (see below), whose sum is σ = 257450952. Its totient is φ = 171633960.

The previous prime is 214542443. The next prime is 214542473. The reversal of 214542455 is 554245412.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 214542455 - 2⁸ = 214542199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21454241 + ... + 21454250.

It is an arithmetic number, because the mean of its divisors is an integer number (64362738).

Almost surely, 2^214542455 is an apocalyptic number.

214542455 is a deficient number, since it is larger than the sum of its proper divisors (42908497).

214542455 is an equidigital number, since it uses as much as digits as its factorization.

214542455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42908496.

The product of its digits is 32000, while the sum is 32.

The square root of 214542455 is about 14647.2678339682. The cubic root of 214542455 is about 598.6473742604.

Adding to 214542455 its reverse (554245412), we get a palindrome (768787867).

The spelling of 214542455 in words is "two hundred fourteen million, five hundred forty-two thousand, four hundred fifty-five".