30452152 has 16 divisors (see below), whose sum is σ = 57430440. Its totient is φ = 15137376.

The previous prime is 30452143. The next prime is 30452159. The reversal of 30452152 is 25125403.

It is a super-2 number, since 2×30452152² = 1854667122862208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30452159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9618 + ... + 12385.

Almost surely, 2^30452152 is an apocalyptic number.

It is an amenable number.

30452152 is a deficient number, since it is larger than the sum of its proper divisors (26978288).

30452152 is a wasteful number, since it uses less digits than its factorization.

30452152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22182 (or 22178 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 30452152 is about 5518.3468539047. The cubic root of 30452152 is about 312.2765190448.

Adding to 30452152 its reverse (25125403), we get a palindrome (55577555).

The spelling of 30452152 in words is "thirty million, four hundred fifty-two thousand, one hundred fifty-two".