30141442 has 16 divisors (see below), whose sum is σ = 48659832. Its totient is φ = 13950720.

The previous prime is 30141407. The next prime is 30141457. The reversal of 30141442 is 24414103.

It can be written as a sum of positive squares in 4 ways, for example, as 22953681 + 7187761 = 4791^2 + 2681^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5193 + ... + 9340.

Almost surely, 2^30141442 is an apocalyptic number.

30141442 is a deficient number, since it is larger than the sum of its proper divisors (18518390).

30141442 is a wasteful number, since it uses less digits than its factorization.

30141442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14613.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 30141442 is about 5490.1222208618. The cubic root of 30141442 is about 311.2108109130.

Adding to 30141442 its reverse (24414103), we get a palindrome (54555545).

The spelling of 30141442 in words is "thirty million, one hundred forty-one thousand, four hundred forty-two".