30143132 has 6 divisors (see below), whose sum is σ = 52750488. Its totient is φ = 15071564.

The previous prime is 30143119. The next prime is 30143137. The reversal of 30143132 is 23134103.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30143132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3767888 + ... + 3767895.

It is an arithmetic number, because the mean of its divisors is an integer number (8791748).

Almost surely, 2^30143132 is an apocalyptic number.

It is an amenable number.

30143132 is a deficient number, since it is larger than the sum of its proper divisors (22607356).

30143132 is a wasteful number, since it uses less digits than its factorization.

30143132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7535787 (or 7535785 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30143132 is about 5490.2761314892. The cubic root of 30143132 is about 311.2166272289.

Adding to 30143132 its reverse (23134103), we get a palindrome (53277235).

The spelling of 30143132 in words is "thirty million, one hundred forty-three thousand, one hundred thirty-two".