30274145 has 8 divisors (see below), whose sum is σ = 39631680. Its totient is φ = 22017520.

The previous prime is 30274129. The next prime is 30274147. The reversal of 30274145 is 54147203.

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

It is not a de Polignac number, because 30274145 - 2⁴ = 30274129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30274147) 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, 275165 + ... + 275274.

It is an arithmetic number, because the mean of its divisors is an integer number (4953960).

Almost surely, 2^30274145 is an apocalyptic number.

It is an amenable number.

30274145 is a deficient number, since it is larger than the sum of its proper divisors (9357535).

30274145 is a wasteful number, since it uses less digits than its factorization.

30274145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550455.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 30274145 is about 5502.1945621724. The cubic root of 30274145 is about 311.6668623955. Note that the first 3 decimals are identical.

It can be divided in two parts, 302 and 74145, that added together give a palindrome (74447).

The spelling of 30274145 in words is "thirty million, two hundred seventy-four thousand, one hundred forty-five".