1144405214 has 4 divisors (see below), whose sum is σ = 1716607824. Its totient is φ = 572202606.

The previous prime is 1144405177. The next prime is 1144405217. The reversal of 1144405214 is 4125044411.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144405217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286101302 + ... + 286101305.

It is an arithmetic number, because the mean of its divisors is an integer number (429151956).

Almost surely, 2^1144405214 is an apocalyptic number.

1144405214 is a deficient number, since it is larger than the sum of its proper divisors (572202610).

1144405214 is an equidigital number, since it uses as much as digits as its factorization.

1144405214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572202609.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1144405214 is about 33829.0587217558. The cubic root of 1144405214 is about 1045.9877762904.

Adding to 1144405214 its reverse (4125044411), we get a palindrome (5269449625).

The spelling of 1144405214 in words is "one billion, one hundred forty-four million, four hundred five thousand, two hundred fourteen".