30493143 has 12 divisors (see below), whose sum is σ = 45236568. Its totient is φ = 19779120.

The previous prime is 30493129. The next prime is 30493171. The reversal of 30493143 is 34139403.

30493143 is a `hidden beast` number, since 30 + 493 + 143 = 666.

It is not a de Polignac number, because 30493143 - 2¹⁷ = 30362071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30493103) 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, 45453 + ... + 46118.

It is an arithmetic number, because the mean of its divisors is an integer number (3769714).

Almost surely, 2^30493143 is an apocalyptic number.

30493143 is a deficient number, since it is larger than the sum of its proper divisors (14743425).

30493143 is a wasteful number, since it uses less digits than its factorization.

30493143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91614 (or 91611 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 30493143 is about 5522.0596700869. The cubic root of 30493143 is about 312.4165725028.

The spelling of 30493143 in words is "thirty million, four hundred ninety-three thousand, one hundred forty-three".