30145827 has 8 divisors (see below), whose sum is σ = 40372416. Its totient is φ = 20008232.

The previous prime is 30145823. The next prime is 30145831. The reversal of 30145827 is 72854103.

It is an interprime number because it is at equal distance from previous prime (30145823) and next prime (30145831).

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 30145827 - 2² = 30145823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30145794 and 30145803.

It is not an unprimeable number, because it can be changed into a prime (30145823) 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, 21453 + ... + 22814.

It is an arithmetic number, because the mean of its divisors is an integer number (5046552).

Almost surely, 2^30145827 is an apocalyptic number.

30145827 is a deficient number, since it is larger than the sum of its proper divisors (10226589).

30145827 is a wasteful number, since it uses less digits than its factorization.

30145827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44497.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 30145827 is about 5490.5215599249. The cubic root of 30145827 is about 311.2259019100.

The spelling of 30145827 in words is "thirty million, one hundred forty-five thousand, eight hundred twenty-seven".