30452156 has 24 divisors (see below), whose sum is σ = 61501440. Its totient is φ = 12922992.

The previous prime is 30452143. The next prime is 30452159. The reversal of 30452156 is 65125403.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2396 + ... + 8163.

It is an arithmetic number, because the mean of its divisors is an integer number (2562560).

Almost surely, 2^30452156 is an apocalyptic number.

It is an amenable number.

30452156 is an abundant number, since it is smaller than the sum of its proper divisors (31049284).

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

30452156 is a wasteful number, since it uses less digits than its factorization.

30452156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10673 (or 10671 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 30452156 is about 5518.3472163321. The cubic root of 30452156 is about 312.2765327177.

Adding to 30452156 its reverse (65125403), we get a palindrome (95577559).

The spelling of 30452156 in words is "thirty million, four hundred fifty-two thousand, one hundred fifty-six".