30141642 has 16 divisors (see below), whose sum is σ = 61754112. Its totient is φ = 9802080.

The previous prime is 30141607. The next prime is 30141647. The reversal of 30141642 is 24614103.

It is not an unprimeable number, because it can be changed into a prime (30141647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61018 + ... + 61509.

It is an arithmetic number, because the mean of its divisors is an integer number (3859632).

Almost surely, 2^30141642 is an apocalyptic number.

30141642 is an abundant number, since it is smaller than the sum of its proper divisors (31612470).

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

30141642 is a wasteful number, since it uses less digits than its factorization.

30141642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122573.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 30141642 is about 5490.1404353623. The cubic root of 30141642 is about 311.2114992458.

Adding to 30141642 its reverse (24614103), we get a palindrome (54755745).

It can be divided in two parts, 3014 and 1642, that added together give a triangular number (4656 = T₉₆).

The spelling of 30141642 in words is "thirty million, one hundred forty-one thousand, six hundred forty-two".