214156541 has 4 divisors (see below), whose sum is σ = 216158112. Its totient is φ = 212154972.

The previous prime is 214156513. The next prime is 214156577. The reversal of 214156541 is 145651412.

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 214156541 - 2⁶ = 214156477 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 (214156511) 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, 1000625 + ... + 1000838.

It is an arithmetic number, because the mean of its divisors is an integer number (54039528).

Almost surely, 2^214156541 is an apocalyptic number.

It is an amenable number.

214156541 is a deficient number, since it is larger than the sum of its proper divisors (2001571).

214156541 is a wasteful number, since it uses less digits than its factorization.

214156541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001570.

The product of its digits is 4800, while the sum is 29.

The square root of 214156541 is about 14634.0883214500. The cubic root of 214156541 is about 598.2882144801.

The spelling of 214156541 in words is "two hundred fourteen million, one hundred fifty-six thousand, five hundred forty-one".