181414234 has 4 divisors (see below), whose sum is σ = 272121354. Its totient is φ = 90707116.

The previous prime is 181414231. The next prime is 181414237. The reversal of 181414234 is 432414181.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432414181 = 67 ⋅6453943.

It is an interprime number because it is at equal distance from previous prime (181414231) and next prime (181414237).

It can be written as a sum of positive squares in only one way, i.e., 174108025 + 7306209 = 13195^2 + 2703^2 .

It is a super-2 number, since 2×181414234² = 65822248595613512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (181414231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45353557 + ... + 45353560.

Almost surely, 2^181414234 is an apocalyptic number.

181414234 is a deficient number, since it is larger than the sum of its proper divisors (90707120).

181414234 is an equidigital number, since it uses as much as digits as its factorization.

181414234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90707119.

The product of its digits is 3072, while the sum is 28.

The square root of 181414234 is about 13469.0101343788. The cubic root of 181414234 is about 566.0964782867.

The spelling of 181414234 in words is "one hundred eighty-one million, four hundred fourteen thousand, two hundred thirty-four".