181342914 has 16 divisors (see below), whose sum is σ = 363119328. Its totient is φ = 60375392.

The previous prime is 181342913. The next prime is 181342949. The reversal of 181342914 is 419243181.

It is a happy number.

It is a super-2 number, since 2×181342914² = 65770504916022792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (181342913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12492 + ... + 22775.

It is an arithmetic number, because the mean of its divisors is an integer number (22694958).

Almost surely, 2^181342914 is an apocalyptic number.

181342914 is an abundant number, since it is smaller than the sum of its proper divisors (181776414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

181342914 is a wasteful number, since it uses less digits than its factorization.

181342914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36129.

The product of its digits is 6912, while the sum is 33.

The square root of 181342914 is about 13466.3623150426. The cubic root of 181342914 is about 566.0222847465.

The spelling of 181342914 in words is "one hundred eighty-one million, three hundred forty-two thousand, nine hundred fourteen".