214154161 has 8 divisors (see below), whose sum is σ = 230886824. Its totient is φ = 197458560.

The previous prime is 214154119. The next prime is 214154189. The reversal of 214154161 is 161451412.

It can be written as a sum of positive squares in 4 ways, for example, as 9120400 + 205033761 = 3020^2 + 14319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 214154161 - 2⁷ = 214154033 is a prime.

It is a super-2 number, since 2×214154161² = 91724009347227842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214154191) 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, 3391 + ... + 20971.

It is an arithmetic number, because the mean of its divisors is an integer number (28860853).

Almost surely, 2^214154161 is an apocalyptic number.

It is an amenable number.

214154161 is a deficient number, since it is larger than the sum of its proper divisors (16732663).

214154161 is a wasteful number, since it uses less digits than its factorization.

214154161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18531.

The product of its digits is 960, while the sum is 25.

The square root of 214154161 is about 14634.0070042350. The cubic root of 214154161 is about 598.2859981399.

The spelling of 214154161 in words is "two hundred fourteen million, one hundred fifty-four thousand, one hundred sixty-one".