30294142 has 8 divisors (see below), whose sum is σ = 45891432. Its totient is φ = 14997000.

The previous prime is 30294127. The next prime is 30294163. The reversal of 30294142 is 24149203.

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

It is a congruent number.

It is an unprimeable number.

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, 74784 + ... + 75187.

It is an arithmetic number, because the mean of its divisors is an integer number (5736429).

Almost surely, 2^30294142 is an apocalyptic number.

30294142 is a deficient number, since it is larger than the sum of its proper divisors (15597290).

30294142 is a wasteful number, since it uses less digits than its factorization.

30294142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150074.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 30294142 is about 5504.0114462090. The cubic root of 30294142 is about 311.7354691281.

The spelling of 30294142 in words is "thirty million, two hundred ninety-four thousand, one hundred forty-two".