87302142 has 24 divisors (see below), whose sum is σ = 189676344. Its totient is φ = 29020464.

The previous prime is 87302141. The next prime is 87302143. The reversal of 87302142 is 24120378.

It is an interprime number because it is at equal distance from previous prime (87302141) and next prime (87302143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87302141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213 + ... + 13215.

It is an arithmetic number, because the mean of its divisors is an integer number (7903181).

Almost surely, 2^87302142 is an apocalyptic number.

87302142 is an abundant number, since it is smaller than the sum of its proper divisors (102374202).

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

87302142 is a wasteful number, since it uses less digits than its factorization.

87302142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13384 (or 13381 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 87302142 is about 9343.5615265272. The cubic root of 87302142 is about 443.6171218358.

The spelling of 87302142 in words is "eighty-seven million, three hundred two thousand, one hundred forty-two".