1144210142 has 4 divisors (see below), whose sum is σ = 1716315216. Its totient is φ = 572105070.

The previous prime is 1144210127. The next prime is 1144210181. The reversal of 1144210142 is 2410124411.

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, 286052534 + ... + 286052537.

It is an arithmetic number, because the mean of its divisors is an integer number (429078804).

Almost surely, 2^1144210142 is an apocalyptic number.

1144210142 is a deficient number, since it is larger than the sum of its proper divisors (572105074).

1144210142 is an equidigital number, since it uses as much as digits as its factorization.

1144210142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572105073.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1144210142 is about 33826.1753971684. The cubic root of 1144210142 is about 1045.9283408970.

Adding to 1144210142 its reverse (2410124411), we get a palindrome (3554334553).

The spelling of 1144210142 in words is "one billion, one hundred forty-four million, two hundred ten thousand, one hundred forty-two".