194454942 has 64 divisors (see below), whose sum is σ = 455735808. Its totient is φ = 54656000.

The previous prime is 194454937. The next prime is 194454961. The reversal of 194454942 is 249454491.

It is a junction number, because it is equal to n+sod(n) for n = 194454894 and 194454903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78442 + ... + 80882.

It is an arithmetic number, because the mean of its divisors is an integer number (7120872).

Almost surely, 2^194454942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194454942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227867904).

194454942 is an abundant number, since it is smaller than the sum of its proper divisors (261280866).

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

194454942 is a wasteful number, since it uses less digits than its factorization.

194454942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545.

The product of its digits is 207360, while the sum is 42.

The square root of 194454942 is about 13944.7101798496. The cubic root of 194454942 is about 579.3481996124.

The spelling of 194454942 in words is "one hundred ninety-four million, four hundred fifty-four thousand, nine hundred forty-two".