1144938401 has 4 divisors (see below), whose sum is σ = 1153953792. Its totient is φ = 1135923012.

The previous prime is 1144938371. The next prime is 1144938427. The reversal of 1144938401 is 1048394411.

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: 1048394411 = 4357 ⋅240623.

It is a cyclic number.

It is not a de Polignac number, because 1144938401 - 2⁶ = 1144938337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144938451) 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, 4507505 + ... + 4507758.

It is an arithmetic number, because the mean of its divisors is an integer number (288488448).

Almost surely, 2^1144938401 is an apocalyptic number.

It is an amenable number.

1144938401 is a deficient number, since it is larger than the sum of its proper divisors (9015391).

1144938401 is an equidigital number, since it uses as much as digits as its factorization.

1144938401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9015390.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1144938401 is about 33836.9384105595. The cubic root of 1144938401 is about 1046.1501955939.

The spelling of 1144938401 in words is "one billion, one hundred forty-four million, nine hundred thirty-eight thousand, four hundred one".