165234043 has 16 divisors (see below), whose sum is σ = 181762560. Its totient is φ = 149275296.

The previous prime is 165234037. The next prime is 165234071. The reversal of 165234043 is 340432561.

It is a cyclic number.

It is not a de Polignac number, because 165234043 - 2⁵ = 165234011 is a prime.

It is a super-2 number, since 2×165234043² = 54604577932251698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165234073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281196 + ... + 281782.

It is an arithmetic number, because the mean of its divisors is an integer number (11360160).

Almost surely, 2^165234043 is an apocalyptic number.

165234043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

165234043 is a deficient number, since it is larger than the sum of its proper divisors (16528517).

165234043 is a wasteful number, since it uses less digits than its factorization.

165234043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 165234043 is about 12854.3394618316. The cubic root of 165234043 is about 548.7398621353.

The spelling of 165234043 in words is "one hundred sixty-five million, two hundred thirty-four thousand, forty-three".