161484255 has 24 divisors (see below), whose sum is σ = 281537568. Its totient is φ = 85622976.

The previous prime is 161484227. The next prime is 161484259. The reversal of 161484255 is 552484161.

It is a happy number.

161484255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161484255 - 2⁸ = 161483999 is a prime.

It is a super-2 number, since 2×161484255² = 52154329225810050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161484259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2587 + ... + 18156.

It is an arithmetic number, because the mean of its divisors is an integer number (11730732).

Almost surely, 2^161484255 is an apocalyptic number.

161484255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161484255 is a deficient number, since it is larger than the sum of its proper divisors (120053313).

161484255 is a wasteful number, since it uses less digits than its factorization.

161484255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20927 (or 20924 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 161484255 is about 12707.6455333000. The cubic root of 161484255 is about 544.5570623237.

It can be divided in two parts, 161 and 484255, that added together give a square (484416 = 696²).

The spelling of 161484255 in words is "one hundred sixty-one million, four hundred eighty-four thousand, two hundred fifty-five".