196181454 has 64 divisors (see below), whose sum is σ = 468357120. Its totient is φ = 53602560.

The previous prime is 196181407. The next prime is 196181459. The reversal of 196181454 is 454181691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196181459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115032 + ... + 116724.

It is an arithmetic number, because the mean of its divisors is an integer number (7318080).

Almost surely, 2^196181454 is an apocalyptic number.

196181454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 196181454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234178560).

196181454 is an abundant number, since it is smaller than the sum of its proper divisors (272175666).

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

196181454 is a wasteful number, since it uses less digits than its factorization.

196181454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825.

The product of its digits is 34560, while the sum is 39.

The square root of 196181454 is about 14006.4790008053. The cubic root of 196181454 is about 581.0577744288.

The spelling of 196181454 in words is "one hundred ninety-six million, one hundred eighty-one thousand, four hundred fifty-four".