1144258442 has 4 divisors (see below), whose sum is σ = 1716387666. Its totient is φ = 572129220.

The previous prime is 1144258439. The next prime is 1144258483. The reversal of 1144258442 is 2448524411.

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., 784056001 + 360202441 = 28001^2 + 18979^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286064609 + ... + 286064612.

Almost surely, 2^1144258442 is an apocalyptic number.

1144258442 is a deficient number, since it is larger than the sum of its proper divisors (572129224).

1144258442 is an equidigital number, since it uses as much as digits as its factorization.

1144258442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572129223.

The product of its digits is 40960, while the sum is 35.

The square root of 1144258442 is about 33826.8893337830. The cubic root of 1144258442 is about 1045.9430577823.

The spelling of 1144258442 in words is "one billion, one hundred forty-four million, two hundred fifty-eight thousand, four hundred forty-two".