30135452 has 12 divisors (see below), whose sum is σ = 52890600. Its totient is φ = 15023856.

The previous prime is 30135439. The next prime is 30135467. The reversal of 30135452 is 25453103.

It is a congruent number.

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, 9398 + ... + 12189.

It is an arithmetic number, because the mean of its divisors is an integer number (4407550).

Almost surely, 2^30135452 is an apocalyptic number.

It is an amenable number.

30135452 is a deficient number, since it is larger than the sum of its proper divisors (22755148).

30135452 is a wasteful number, since it uses less digits than its factorization.

30135452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21940 (or 21938 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 30135452 is about 5489.5766685602. The cubic root of 30135452 is about 311.1901939359.

Adding to 30135452 its reverse (25453103), we get a palindrome (55588555).

It can be divided in two parts, 301 and 35452, that added together give a palindrome (35753).

The spelling of 30135452 in words is "thirty million, one hundred thirty-five thousand, four hundred fifty-two".