197454442 has 16 divisors (see below), whose sum is σ = 303798600. Its totient is φ = 96194560.

The previous prime is 197454431. The next prime is 197454457. The reversal of 197454442 is 244454791.

It can be written as a sum of positive squares in 4 ways, for example, as 28740321 + 168714121 = 5361^2 + 12989^2 .

It is a super-3 number, since 3×197454442³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 197454395 and 197454404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114684 + ... + 116392.

Almost surely, 2^197454442 is an apocalyptic number.

197454442 is a deficient number, since it is larger than the sum of its proper divisors (106344158).

197454442 is a wasteful number, since it uses less digits than its factorization.

197454442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161.

The product of its digits is 161280, while the sum is 40.

The square root of 197454442 is about 14051.8483481711. The cubic root of 197454442 is about 582.3118607467.

The spelling of 197454442 in words is "one hundred ninety-seven million, four hundred fifty-four thousand, four hundred forty-two".