197945452 has 36 divisors (see below), whose sum is σ = 365267560. Its totient is φ = 93848832.

The previous prime is 197945381. The next prime is 197945459. The reversal of 197945452 is 254549791.

197945452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (197945459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293788 + ... + 294460.

Almost surely, 2^197945452 is an apocalyptic number.

It is an amenable number.

197945452 is a deficient number, since it is larger than the sum of its proper divisors (167322108).

197945452 is a wasteful number, since it uses less digits than its factorization.

197945452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 837 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The square root of 197945452 is about 14069.3088671761. The cubic root of 197945452 is about 582.7941395462.

The spelling of 197945452 in words is "one hundred ninety-seven million, nine hundred forty-five thousand, four hundred fifty-two".