1402443142 has 4 divisors (see below), whose sum is σ = 2103664716. Its totient is φ = 701221570.

The previous prime is 1402443139. The next prime is 1402443167. The reversal of 1402443142 is 2413442041.

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, 350610784 + ... + 350610787.

It is an arithmetic number, because the mean of its divisors is an integer number (525916179).

Almost surely, 2^1402443142 is an apocalyptic number.

1402443142 is a deficient number, since it is larger than the sum of its proper divisors (701221574).

1402443142 is an equidigital number, since it uses as much as digits as its factorization.

1402443142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701221573.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1402443142 is about 37449.2074949524. The cubic root of 1402443142 is about 1119.3393058014.

Adding to 1402443142 its reverse (2413442041), we get a palindrome (3815885183).

The spelling of 1402443142 in words is "one billion, four hundred two million, four hundred forty-three thousand, one hundred forty-two".