30143087 has 16 divisors (see below), whose sum is σ = 34362048. Its totient is φ = 26231040.

The previous prime is 30143081. The next prime is 30143111. The reversal of 30143087 is 78034103.

It is a de Polignac number, because none of the positive numbers 2^k-30143087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143081) 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 15 ways as a sum of consecutive naturals, for example, 21137 + ... + 22517.

It is an arithmetic number, because the mean of its divisors is an integer number (2147628).

Almost surely, 2^30143087 is an apocalyptic number.

30143087 is a deficient number, since it is larger than the sum of its proper divisors (4218961).

30143087 is a wasteful number, since it uses less digits than its factorization.

30143087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 30143087 is about 5490.2720333331. The cubic root of 30143087 is about 311.2164723594.

The spelling of 30143087 in words is "thirty million, one hundred forty-three thousand, eighty-seven".