1144605542 has 8 divisors (see below), whose sum is σ = 1717943256. Its totient is φ = 571957792.

The previous prime is 1144605533. The next prime is 1144605547. The reversal of 1144605542 is 2455064411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1144605542² = 2620243693554227528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1144605499 and 1144605508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144605547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168323 + ... + 174990.

It is an arithmetic number, because the mean of its divisors is an integer number (214742907).

Almost surely, 2^1144605542 is an apocalyptic number.

1144605542 is a deficient number, since it is larger than the sum of its proper divisors (573337714).

1144605542 is a wasteful number, since it uses less digits than its factorization.

1144605542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344982.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 1144605542 is about 33832.0194785945. The cubic root of 1144605542 is about 1046.0488060757.

Adding to 1144605542 its reverse (2455064411), we get a palindrome (3599669953).

The spelling of 1144605542 in words is "one billion, one hundred forty-four million, six hundred five thousand, five hundred forty-two".