30145051 has 8 divisors (see below), whose sum is σ = 31190400. Its totient is φ = 29104320.

The previous prime is 30145043. The next prime is 30145067. The reversal of 30145051 is 15054103.

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

It is a cyclic number.

It is not a de Polignac number, because 30145051 - 2³ = 30145043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30145081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16785 + ... + 18493.

It is an arithmetic number, because the mean of its divisors is an integer number (3898800).

Almost surely, 2^30145051 is an apocalyptic number.

30145051 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30145051 is a deficient number, since it is larger than the sum of its proper divisors (1045349).

30145051 is a wasteful number, since it uses less digits than its factorization.

30145051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 30145051 is about 5490.4508922310. The cubic root of 30145051 is about 311.2232314092.

Adding to 30145051 its reverse (15054103), we get a palindrome (45199154).

The spelling of 30145051 in words is "thirty million, one hundred forty-five thousand, fifty-one".