307571142 has 8 divisors (see below), whose sum is σ = 615142296. Its totient is φ = 102523712.

The previous prime is 307571141. The next prime is 307571161. The reversal of 307571142 is 241175703.

It is a sphenic number, since it is the product of 3 distinct primes.

307571142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307571141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25630923 + ... + 25630934.

It is an arithmetic number, because the mean of its divisors is an integer number (76892787).

Almost surely, 2^307571142 is an apocalyptic number.

307571142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

307571142 is a wasteful number, since it uses less digits than its factorization.

307571142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51261862.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 307571142 is about 17537.7062924431. The cubic root of 307571142 is about 675.0177531682.

The spelling of 307571142 in words is "three hundred seven million, five hundred seventy-one thousand, one hundred forty-two".