30132442 has 8 divisors (see below), whose sum is σ = 47577600. Its totient is φ = 14273244.

The previous prime is 30132409. The next prime is 30132451. The reversal of 30132442 is 24423103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396442 + ... + 396517.

It is an arithmetic number, because the mean of its divisors is an integer number (5947200).

Almost surely, 2^30132442 is an apocalyptic number.

30132442 is a deficient number, since it is larger than the sum of its proper divisors (17445158).

30132442 is a wasteful number, since it uses less digits than its factorization.

30132442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792980.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 30132442 is about 5489.3025057834. The cubic root of 30132442 is about 311.1798327875.

Adding to 30132442 its reverse (24423103), we get a palindrome (54555545).

The spelling of 30132442 in words is "thirty million, one hundred thirty-two thousand, four hundred forty-two".