194745456 has 60 divisors (see below), whose sum is σ = 546332592. Its totient is φ = 64758528.

The previous prime is 194745433. The next prime is 194745461. The reversal of 194745456 is 654547491.

194745456 is a `hidden beast` number, since 194 + 7 + 4 + 5 + 456 = 666.

194745456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68740 + ... + 71516.

Almost surely, 2^194745456 is an apocalyptic number.

194745456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194745456 is an abundant number, since it is smaller than the sum of its proper divisors (351587136).

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

194745456 is a wasteful number, since it uses less digits than its factorization.

194745456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3269 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 194745456 is about 13955.1229303077. The cubic root of 194745456 is about 579.6365697841.

The spelling of 194745456 in words is "one hundred ninety-four million, seven hundred forty-five thousand, four hundred fifty-six".