30349142 has 16 divisors (see below), whose sum is σ = 46759680. Its totient is φ = 14765352.

The previous prime is 30349129. The next prime is 30349153. The reversal of 30349142 is 24194303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30383 + ... + 31365.

It is an arithmetic number, because the mean of its divisors is an integer number (2922480).

Almost surely, 2^30349142 is an apocalyptic number.

30349142 is a deficient number, since it is larger than the sum of its proper divisors (16410538).

30349142 is a wasteful number, since it uses less digits than its factorization.

30349142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 30349142 is about 5509.0055363922. The cubic root of 30349142 is about 311.9240103673.

The spelling of 30349142 in words is "thirty million, three hundred forty-nine thousand, one hundred forty-two".