1040143142 has 4 divisors (see below), whose sum is σ = 1560214716. Its totient is φ = 520071570.

The previous prime is 1040143129. The next prime is 1040143157. The reversal of 1040143142 is 2413410401.

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, 260035784 + ... + 260035787.

It is an arithmetic number, because the mean of its divisors is an integer number (390053679).

Almost surely, 2^1040143142 is an apocalyptic number.

1040143142 is a deficient number, since it is larger than the sum of its proper divisors (520071574).

1040143142 is an equidigital number, since it uses as much as digits as its factorization.

1040143142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520071573.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1040143142 is about 32251.2502393318. The cubic root of 1040143142 is about 1013.2058842722.

Adding to 1040143142 its reverse (2413410401), we get a palindrome (3453553543).

The spelling of 1040143142 in words is "one billion, forty million, one hundred forty-three thousand, one hundred forty-two".