1042045142 has 4 divisors (see below), whose sum is σ = 1563067716. Its totient is φ = 521022570.

The previous prime is 1042045091. The next prime is 1042045159. The reversal of 1042045142 is 2415402401.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260511284 + ... + 260511287.

It is an arithmetic number, because the mean of its divisors is an integer number (390766929).

Almost surely, 2^1042045142 is an apocalyptic number.

1042045142 is a deficient number, since it is larger than the sum of its proper divisors (521022574).

1042045142 is an equidigital number, since it uses as much as digits as its factorization.

1042045142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521022573.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1042045142 is about 32280.7240005549. The cubic root of 1042045142 is about 1013.8230891123.

Adding to 1042045142 its reverse (2415402401), we get a palindrome (3457447543).

The spelling of 1042045142 in words is "one billion, forty-two million, forty-five thousand, one hundred forty-two".