1144046421 has 24 divisors (see below), whose sum is σ = 1908064704. Its totient is φ = 646997760.

The previous prime is 1144046389. The next prime is 1144046447. The reversal of 1144046421 is 1246404411.

1144046421 is a `hidden beast` number, since 1 + 14 + 4 + 0 + 4 + 642 + 1 = 666.

It is not a de Polignac number, because 1144046421 - 2⁵ = 1144046389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144046621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87495 + ... + 99716.

It is an arithmetic number, because the mean of its divisors is an integer number (79502696).

Almost surely, 2^1144046421 is an apocalyptic number.

It is an amenable number.

1144046421 is a deficient number, since it is larger than the sum of its proper divisors (764018283).

1144046421 is a wasteful number, since it uses less digits than its factorization.

1144046421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187321 (or 187318 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1144046421 is about 33823.7552764326. The cubic root of 1144046421 is about 1045.8784524498.

The spelling of 1144046421 in words is "one billion, one hundred forty-four million, forty-six thousand, four hundred twenty-one".