1144403401 has 8 divisors (see below), whose sum is σ = 1180759680. Its totient is φ = 1108594032.

The previous prime is 1144403389. The next prime is 1144403411. The reversal of 1144403401 is 1043044411.

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

It is a cyclic number.

It is not a de Polignac number, because 1144403401 - 2¹³ = 1144395209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144403411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132475 + ... + 140848.

It is an arithmetic number, because the mean of its divisors is an integer number (147594960).

Almost surely, 2^1144403401 is an apocalyptic number.

It is an amenable number.

1144403401 is a deficient number, since it is larger than the sum of its proper divisors (36356279).

1144403401 is an equidigital number, since it uses as much as digits as its factorization.

1144403401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273455.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1144403401 is about 33829.0319252562. The cubic root of 1144403401 is about 1045.9872239287.

Adding to 1144403401 its reverse (1043044411), we get a palindrome (2187447812).

The spelling of 1144403401 in words is "one billion, one hundred forty-four million, four hundred three thousand, four hundred one".