30141452 has 48 divisors (see below), whose sum is σ = 59875200. Its totient is φ = 13157760.

The previous prime is 30141407. The next prime is 30141457. The reversal of 30141452 is 25414103.

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

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 15 ways as a sum of consecutive naturals, for example, 168299 + ... + 168477.

It is an arithmetic number, because the mean of its divisors is an integer number (1247400).

Almost surely, 2^30141452 is an apocalyptic number.

It is an amenable number.

30141452 is a deficient number, since it is larger than the sum of its proper divisors (29733748).

30141452 is a wasteful number, since it uses less digits than its factorization.

30141452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 30141452 is about 5490.1231315882. The cubic root of 30141452 is about 311.2108453297.

Adding to 30141452 its reverse (25414103), we get a palindrome (55555555).

The spelling of 30141452 in words is "thirty million, one hundred forty-one thousand, four hundred fifty-two".