30105450142 has 16 divisors (see below), whose sum is σ = 45540588672. Its totient is φ = 14925619800.

The previous prime is 30105450097. The next prime is 30105450157. The reversal of 30105450142 is 24105450103.

It is a happy number.

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, 74073 + ... + 256315.

It is an arithmetic number, because the mean of its divisors is an integer number (2846286792).

Almost surely, 2^30105450142 is an apocalyptic number.

30105450142 is a deficient number, since it is larger than the sum of its proper divisors (15435138530).

30105450142 is a wasteful number, since it uses less digits than its factorization.

30105450142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182943.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 30105450142 in words is "thirty billion, one hundred five million, four hundred fifty thousand, one hundred forty-two".