30145498 has 8 divisors (see below), whose sum is σ = 45385920. Its totient is φ = 15016860.

The previous prime is 30145483. The next prime is 30145561. The reversal of 30145498 is 89454103.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27268 + ... + 28351.

It is an arithmetic number, because the mean of its divisors is an integer number (5673240).

Almost surely, 2^30145498 is an apocalyptic number.

30145498 is a deficient number, since it is larger than the sum of its proper divisors (15240422).

30145498 is a wasteful number, since it uses less digits than its factorization.

30145498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55892.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 30145498 is about 5490.4915991193. The cubic root of 30145498 is about 311.2247697059.

The spelling of 30145498 in words is "thirty million, one hundred forty-five thousand, four hundred ninety-eight".