214154669 has 4 divisors (see below), whose sum is σ = 214198944. Its totient is φ = 214110396.

The previous prime is 214154653. The next prime is 214154747. The reversal of 214154669 is 966451412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214154669 - 2⁴ = 214154653 is a prime.

It is a super-2 number, since 2×214154669² = 91724444508999122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214154569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13847 + ... + 24900.

It is an arithmetic number, because the mean of its divisors is an integer number (53549736).

Almost surely, 2^214154669 is an apocalyptic number.

It is an amenable number.

214154669 is a deficient number, since it is larger than the sum of its proper divisors (44275).

214154669 is an equidigital number, since it uses as much as digits as its factorization.

214154669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44274.

The product of its digits is 51840, while the sum is 38.

The square root of 214154669 is about 14634.0243610567. The cubic root of 214154669 is about 598.2864712089.

The spelling of 214154669 in words is "two hundred fourteen million, one hundred fifty-four thousand, six hundred sixty-nine".