30144132 has 36 divisors (see below), whose sum is σ = 76375936. Its totient is φ = 10024560.

The previous prime is 30144131. The next prime is 30144139. The reversal of 30144132 is 23144103.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30144131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22053 + ... + 23379.

Almost surely, 2^30144132 is an apocalyptic number.

It is an amenable number.

30144132 is an abundant number, since it is smaller than the sum of its proper divisors (46231804).

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

30144132 is a wasteful number, since it uses less digits than its factorization.

30144132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 30144132 is about 5490.3672008346. The cubic root of 30144132 is about 311.2200687335.

Adding to 30144132 its reverse (23144103), we get a palindrome (53288235).

It can be divided in two parts, 30144 and 132, that added together give a square (30276 = 174²).

The spelling of 30144132 in words is "thirty million, one hundred forty-four thousand, one hundred thirty-two".