30451152 has 40 divisors (see below), whose sum is σ = 78880864. Its totient is φ = 10122624.

The previous prime is 30451133. The next prime is 30451153. The reversal of 30451152 is 25115403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30451153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24498 + ... + 25710.

Almost surely, 2^30451152 is an apocalyptic number.

It is an amenable number.

30451152 is an abundant number, since it is smaller than the sum of its proper divisors (48429712).

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

30451152 is a wasteful number, since it uses less digits than its factorization.

30451152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1741 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 30451152 is about 5518.2562463155. The cubic root of 30451152 is about 312.2731007868.

Adding to 30451152 its reverse (25115403), we get a palindrome (55566555).

It can be divided in two parts, 30451 and 152, that added together give a palindrome (30603).

The spelling of 30451152 in words is "thirty million, four hundred fifty-one thousand, one hundred fifty-two".