161146255 has 8 divisors (see below), whose sum is σ = 193585392. Its totient is φ = 128777088.

The previous prime is 161146231. The next prime is 161146273. The reversal of 161146255 is 552641161.

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 161146255 - 2¹³ = 161138063 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, 12282 + ... + 21751.

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

Almost surely, 2^161146255 is an apocalyptic number.

161146255 is a deficient number, since it is larger than the sum of its proper divisors (32439137).

161146255 is an equidigital number, since it uses as much as digits as its factorization.

161146255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34985.

The product of its digits is 7200, while the sum is 31.

The square root of 161146255 is about 12694.3394865586. The cubic root of 161146255 is about 544.1768625029.

The spelling of 161146255 in words is "one hundred sixty-one million, one hundred forty-six thousand, two hundred fifty-five".