1144492417 has 4 divisors (see below), whose sum is σ = 1204728880. Its totient is φ = 1084255956.

The previous prime is 1144492387. The next prime is 1144492439. The reversal of 1144492417 is 7142944411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7142944411 = 281 ⋅25419731.

It is a cyclic number.

It is not a de Polignac number, because 1144492417 - 2¹⁹ = 1143968129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144492457) 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, 30118203 + ... + 30118240.

It is an arithmetic number, because the mean of its divisors is an integer number (301182220).

Almost surely, 2^1144492417 is an apocalyptic number.

It is an amenable number.

1144492417 is a deficient number, since it is larger than the sum of its proper divisors (60236463).

1144492417 is an equidigital number, since it uses as much as digits as its factorization.

1144492417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60236462.

The product of its digits is 32256, while the sum is 37.

The square root of 1144492417 is about 33830.3475743304. The cubic root of 1144492417 is about 1046.0143434987.

The spelling of 1144492417 in words is "one billion, one hundred forty-four million, four hundred ninety-two thousand, four hundred seventeen".