169143454 has 8 divisors (see below), whose sum is σ = 254618928. Its totient is φ = 84270480.

The previous prime is 169143451. The next prime is 169143473. The reversal of 169143454 is 454341961.

169143454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×169143454³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169143451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149922 + ... + 151045.

It is an arithmetic number, because the mean of its divisors is an integer number (31827366).

Almost surely, 2^169143454 is an apocalyptic number.

169143454 is a deficient number, since it is larger than the sum of its proper divisors (85475474).

169143454 is a wasteful number, since it uses less digits than its factorization.

169143454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301250.

The product of its digits is 51840, while the sum is 37.

The square root of 169143454 is about 13005.5162911743. The cubic root of 169143454 is about 553.0338720101.

The spelling of 169143454 in words is "one hundred sixty-nine million, one hundred forty-three thousand, four hundred fifty-four".