214157149 has 4 divisors (see below), whose sum is σ = 214295040. Its totient is φ = 214019260.

The previous prime is 214157123. The next prime is 214157173. The reversal of 214157149 is 941751412.

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 214157149 - 2⁹ = 214156637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214157249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66589 + ... + 69730.

It is an arithmetic number, because the mean of its divisors is an integer number (53573760).

Almost surely, 2^214157149 is an apocalyptic number.

It is an amenable number.

214157149 is a deficient number, since it is larger than the sum of its proper divisors (137891).

214157149 is a wasteful number, since it uses less digits than its factorization.

214157149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137890.

The product of its digits is 10080, while the sum is 34.

The square root of 214157149 is about 14634.1090948510. The cubic root of 214157149 is about 598.2887806686.

The spelling of 214157149 in words is "two hundred fourteen million, one hundred fifty-seven thousand, one hundred forty-nine".