30154242 has 16 divisors (see below), whose sum is σ = 62930880. Its totient is φ = 9614352.

The previous prime is 30154217. The next prime is 30154261. The reversal of 30154242 is 24245103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109117 + ... + 109392.

It is an arithmetic number, because the mean of its divisors is an integer number (3933180).

Almost surely, 2^30154242 is an apocalyptic number.

30154242 is an abundant number, since it is smaller than the sum of its proper divisors (32776638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30154242 is a wasteful number, since it uses less digits than its factorization.

30154242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218537.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 30154242 is about 5491.2878270948. The cubic root of 30154242 is about 311.2548580716.

Adding to 30154242 its reverse (24245103), we get a palindrome (54399345).

The spelling of 30154242 in words is "thirty million, one hundred fifty-four thousand, two hundred forty-two".