297681142 has 16 divisors (see below), whose sum is σ = 490954752. Its totient is φ = 134242920.

The previous prime is 297681119. The next prime is 297681173. The reversal of 297681142 is 241186792.

It is a super-2 number, since 2×297681142² = 177228124604848328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 297681095 and 297681104.

It is a congruent number.

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, 50478 + ... + 56065.

It is an arithmetic number, because the mean of its divisors is an integer number (30684672).

Almost surely, 2^297681142 is an apocalyptic number.

297681142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

297681142 is a deficient number, since it is larger than the sum of its proper divisors (193273610).

297681142 is a wasteful number, since it uses less digits than its factorization.

297681142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106683.

The product of its digits is 48384, while the sum is 40.

The square root of 297681142 is about 17253.4385558358. The cubic root of 297681142 is about 667.7036869913.

The spelling of 297681142 in words is "two hundred ninety-seven million, six hundred eighty-one thousand, one hundred forty-two".