297812142 has 24 divisors (see below), whose sum is σ = 673315344. Its totient is φ = 94954464.

The previous prime is 297812129. The next prime is 297812147. The reversal of 297812142 is 241218792.

It is a junction number, because it is equal to n+sod(n) for n = 297812097 and 297812106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297812147) 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, 359263 + ... + 360090.

It is an arithmetic number, because the mean of its divisors is an integer number (28054806).

Almost surely, 2^297812142 is an apocalyptic number.

297812142 is an abundant number, since it is smaller than the sum of its proper divisors (375503202).

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

297812142 is a wasteful number, since it uses less digits than its factorization.

297812142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719384 (or 719381 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 297812142 is about 17257.2344829639. The cubic root of 297812142 is about 667.8016176773.

The spelling of 297812142 in words is "two hundred ninety-seven million, eight hundred twelve thousand, one hundred forty-two".