4142512442 has 4 divisors (see below), whose sum is σ = 6213768666. Its totient is φ = 2071256220.

The previous prime is 4142512441. The next prime is 4142512459. The reversal of 4142512442 is 2442152414.

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., 2858078521 + 1284433921 = 53461^2 + 35839^2 .

It is not an unprimeable number, because it can be changed into a prime (4142512441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035628109 + ... + 1035628112.

Almost surely, 2^4142512442 is an apocalyptic number.

4142512442 is a deficient number, since it is larger than the sum of its proper divisors (2071256224).

4142512442 is a wasteful number, since it uses less digits than its factorization.

4142512442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071256223.

The product of its digits is 10240, while the sum is 29.

The square root of 4142512442 is about 64362.3526760792. The cubic root of 4142512442 is about 1606.0335267994.

Adding to 4142512442 its reverse (2442152414), we get a palindrome (6584664856).

The spelling of 4142512442 in words is "four billion, one hundred forty-two million, five hundred twelve thousand, four hundred forty-two".