30154 has 4 divisors (see below), whose sum is σ = 45234. Its totient is φ = 15076.

The previous prime is 30139. The next prime is 30161. The reversal of 30154 is 45103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29929 + 225 = 173^2 + 15^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7537 + ... + 7540.

2³⁰¹⁵⁴ is an apocalyptic number.

30154 is a deficient number, since it is larger than the sum of its proper divisors (15080).

30154 is a wasteful number, since it uses less digits than its factorization.

30154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15079.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 30154 is about 173.6490714055. The cubic root of 30154 is about 31.1254025421.

Adding to 30154 its reverse (45103), we get a palindrome (75257).

The spelling of 30154 in words is "thirty thousand, one hundred fifty-four".