161454 has 16 divisors (see below), whose sum is σ = 328320. Its totient is φ = 52920.

The previous prime is 161453. The next prime is 161459. The reversal of 161454 is 454161.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 161454.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161454.

It is not an unprimeable number, because it can be changed into a prime (161453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237 + ... + 615.

It is an arithmetic number, because the mean of its divisors is an integer number (20520).

2¹⁶¹⁴⁵⁴ is an apocalyptic number.

161454 is an abundant number, since it is smaller than the sum of its proper divisors (166866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161454 is a wasteful number, since it uses less digits than its factorization.

161454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455.

The product of its digits is 480, while the sum is 21.

The square root of 161454 is about 401.8133895230. The cubic root of 161454 is about 54.4523051571.

The spelling of 161454 in words is "one hundred sixty-one thousand, four hundred fifty-four".