30145019792 has 20 divisors (see below), whose sum is σ = 58497112716. Its totient is φ = 15048990720.

The previous prime is 30145019741. The next prime is 30145019809. The reversal of 30145019792 is 29791054103.

It can be written as a sum of positive squares in 2 ways, for example, as 23371071376 + 6773948416 = 152876^2 + 82304^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1459373 + ... + 1479884.

Almost surely, 2^30145019792 is an apocalyptic number.

It is an amenable number.

30145019792 is a deficient number, since it is larger than the sum of its proper divisors (28352092924).

30145019792 is a wasteful number, since it uses less digits than its factorization.

30145019792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939906 (or 2939900 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 30145019792 in words is "thirty billion, one hundred forty-five million, nineteen thousand, seven hundred ninety-two".