30141458 has 8 divisors (see below), whose sum is σ = 46434252. Its totient is φ = 14663376.

The previous prime is 30141457. The next prime is 30141479. The reversal of 30141458 is 85414103.

It can be written as a sum of positive squares in 2 ways, for example, as 29300569 + 840889 = 5413^2 + 917^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30141457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203585 + ... + 203732.

Almost surely, 2^30141458 is an apocalyptic number.

30141458 is a deficient number, since it is larger than the sum of its proper divisors (16292794).

30141458 is a wasteful number, since it uses less digits than its factorization.

30141458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407356.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 30141458 is about 5490.1236780240. The cubic root of 30141458 is about 311.2108659797.

The spelling of 30141458 in words is "thirty million, one hundred forty-one thousand, four hundred fifty-eight".