181652045 has 8 divisors (see below), whose sum is σ = 227460096. Its totient is φ = 139003216.

The previous prime is 181651957. The next prime is 181652069. The reversal of 181652045 is 540256181.

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

It is a cyclic number.

It is not a de Polignac number, because 181652045 - 2¹⁴ = 181635661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789677 + ... + 789906.

It is an arithmetic number, because the mean of its divisors is an integer number (28432512).

Almost surely, 2^181652045 is an apocalyptic number.

It is an amenable number.

181652045 is a deficient number, since it is larger than the sum of its proper divisors (45808051).

181652045 is a wasteful number, since it uses less digits than its factorization.

181652045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579611.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 181652045 is about 13477.8353232261. The cubic root of 181652045 is about 566.3437304536.

The spelling of 181652045 in words is "one hundred eighty-one million, six hundred fifty-two thousand, forty-five".