30545242 has 32 divisors (see below), whose sum is σ = 58851072. Its totient is φ = 11556864.

The previous prime is 30545237. The next prime is 30545267. The reversal of 30545242 is 24254503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538 + ... + 7834.

It is an arithmetic number, because the mean of its divisors is an integer number (1839096).

Almost surely, 2^30545242 is an apocalyptic number.

30545242 is a deficient number, since it is larger than the sum of its proper divisors (28305830).

30545242 is a wasteful number, since it uses less digits than its factorization.

30545242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7342.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 30545242 is about 5526.7750089903. The cubic root of 30545242 is about 312.5943975089.

Adding to 30545242 its reverse (24254503), we get a palindrome (54799745).

The spelling of 30545242 in words is "thirty million, five hundred forty-five thousand, two hundred forty-two".