2030142442 has 4 divisors (see below), whose sum is σ = 3045213666. Its totient is φ = 1015071220.

The previous prime is 2030142437. The next prime is 2030142481. The reversal of 2030142442 is 2442410302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1483097121 + 547045321 = 38511^2 + 23389^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507535609 + ... + 507535612.

Almost surely, 2^2030142442 is an apocalyptic number.

2030142442 is a deficient number, since it is larger than the sum of its proper divisors (1015071224).

2030142442 is a wasteful number, since it uses less digits than its factorization.

2030142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015071223.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2030142442 is about 45057.1020151097. The cubic root of 2030142442 is about 1266.2190318386.

Adding to 2030142442 its reverse (2442410302), we get a palindrome (4472552744).

The spelling of 2030142442 in words is "two billion, thirty million, one hundred forty-two thousand, four hundred forty-two".