161134255 has 8 divisors (see below), whose sum is σ = 193585392. Its totient is φ = 128757888.

The previous prime is 161134243. The next prime is 161134261. The reversal of 161134255 is 552431161.

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 161134255 - 2¹⁵ = 161101487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13834 + ... + 22663.

It is an arithmetic number, because the mean of its divisors is an integer number (24198174).

Almost surely, 2^161134255 is an apocalyptic number.

161134255 is a deficient number, since it is larger than the sum of its proper divisors (32451137).

161134255 is an equidigital number, since it uses as much as digits as its factorization.

161134255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37385.

The product of its digits is 3600, while the sum is 28.

The square root of 161134255 is about 12693.8668261488. The cubic root of 161134255 is about 544.1633545161.

The spelling of 161134255 in words is "one hundred sixty-one million, one hundred thirty-four thousand, two hundred fifty-five".